diff --git a/libcxx/test/libcxx/transitive_includes.sh.cpp b/libcxx/test/libcxx/transitive_includes.sh.cpp
--- a/libcxx/test/libcxx/transitive_includes.sh.cpp
+++ b/libcxx/test/libcxx/transitive_includes.sh.cpp
@@ -60,7 +60,7 @@
     continue
 
   normalized_header = re.sub('/', '_', header)
-  print(f"// {RUN}: %{{cxx}} %s %{{flags}} %{{compile_flags}} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_{i} 2> %t/header.{normalized_header}")
+  print(f"// {RUN}: %{{cxx}} %s %{{flags}} %{{compile_flags}} --trace-includes -fshow-skipped-includes --preprocess -DTEST_{i} 2> %t/header.{normalized_header}")
   print(f"#if defined(TEST_{i})")
   print(f"#include <{header}>")
   print("#endif")
@@ -77,479 +77,479 @@
 // DO NOT MANUALLY EDIT ANYTHING BETWEEN THE MARKERS BELOW
 // GENERATED-MARKER
 // RUN: mkdir %t
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_0 2> %t/header.algorithm
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_0 2> %t/header.algorithm
 #if defined(TEST_0)
 #include <algorithm>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_1 2> %t/header.any
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_1 2> %t/header.any
 #if defined(TEST_1)
 #include <any>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_2 2> %t/header.array
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_2 2> %t/header.array
 #if defined(TEST_2)
 #include <array>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_3 2> %t/header.atomic
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_3 2> %t/header.atomic
 #if defined(TEST_3)
 #include <atomic>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_4 2> %t/header.barrier
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_4 2> %t/header.barrier
 #if defined(TEST_4)
 #include <barrier>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_5 2> %t/header.bit
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_5 2> %t/header.bit
 #if defined(TEST_5)
 #include <bit>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_6 2> %t/header.bitset
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_6 2> %t/header.bitset
 #if defined(TEST_6)
 #include <bitset>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_7 2> %t/header.cassert
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_7 2> %t/header.cassert
 #if defined(TEST_7)
 #include <cassert>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_8 2> %t/header.ccomplex
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_8 2> %t/header.ccomplex
 #if defined(TEST_8)
 #include <ccomplex>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_9 2> %t/header.cctype
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_9 2> %t/header.cctype
 #if defined(TEST_9)
 #include <cctype>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_10 2> %t/header.cerrno
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_10 2> %t/header.cerrno
 #if defined(TEST_10)
 #include <cerrno>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_11 2> %t/header.cfenv
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_11 2> %t/header.cfenv
 #if defined(TEST_11)
 #include <cfenv>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_12 2> %t/header.cfloat
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_12 2> %t/header.cfloat
 #if defined(TEST_12)
 #include <cfloat>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_13 2> %t/header.charconv
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_13 2> %t/header.charconv
 #if defined(TEST_13)
 #include <charconv>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_14 2> %t/header.chrono
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_14 2> %t/header.chrono
 #if defined(TEST_14)
 #include <chrono>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_15 2> %t/header.cinttypes
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_15 2> %t/header.cinttypes
 #if defined(TEST_15)
 #include <cinttypes>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_16 2> %t/header.ciso646
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_16 2> %t/header.ciso646
 #if defined(TEST_16)
 #include <ciso646>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_17 2> %t/header.climits
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_17 2> %t/header.climits
 #if defined(TEST_17)
 #include <climits>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_18 2> %t/header.clocale
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_18 2> %t/header.clocale
 #if defined(TEST_18)
 #include <clocale>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_19 2> %t/header.cmath
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_19 2> %t/header.cmath
 #if defined(TEST_19)
 #include <cmath>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_20 2> %t/header.codecvt
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_20 2> %t/header.codecvt
 #if defined(TEST_20)
 #include <codecvt>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_21 2> %t/header.compare
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_21 2> %t/header.compare
 #if defined(TEST_21)
 #include <compare>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_22 2> %t/header.complex
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_22 2> %t/header.complex
 #if defined(TEST_22)
 #include <complex>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_24 2> %t/header.concepts
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_24 2> %t/header.concepts
 #if defined(TEST_24)
 #include <concepts>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_25 2> %t/header.condition_variable
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_25 2> %t/header.condition_variable
 #if defined(TEST_25)
 #include <condition_variable>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_26 2> %t/header.coroutine
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_26 2> %t/header.coroutine
 #if defined(TEST_26)
 #include <coroutine>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_27 2> %t/header.csetjmp
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_27 2> %t/header.csetjmp
 #if defined(TEST_27)
 #include <csetjmp>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_28 2> %t/header.csignal
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_28 2> %t/header.csignal
 #if defined(TEST_28)
 #include <csignal>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_29 2> %t/header.cstdarg
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_29 2> %t/header.cstdarg
 #if defined(TEST_29)
 #include <cstdarg>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_30 2> %t/header.cstdbool
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_30 2> %t/header.cstdbool
 #if defined(TEST_30)
 #include <cstdbool>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_31 2> %t/header.cstddef
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_31 2> %t/header.cstddef
 #if defined(TEST_31)
 #include <cstddef>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_32 2> %t/header.cstdint
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_32 2> %t/header.cstdint
 #if defined(TEST_32)
 #include <cstdint>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_33 2> %t/header.cstdio
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_33 2> %t/header.cstdio
 #if defined(TEST_33)
 #include <cstdio>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_34 2> %t/header.cstdlib
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_34 2> %t/header.cstdlib
 #if defined(TEST_34)
 #include <cstdlib>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_35 2> %t/header.cstring
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_35 2> %t/header.cstring
 #if defined(TEST_35)
 #include <cstring>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_36 2> %t/header.ctgmath
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_36 2> %t/header.ctgmath
 #if defined(TEST_36)
 #include <ctgmath>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_37 2> %t/header.ctime
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_37 2> %t/header.ctime
 #if defined(TEST_37)
 #include <ctime>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_39 2> %t/header.cuchar
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_39 2> %t/header.cuchar
 #if defined(TEST_39)
 #include <cuchar>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_40 2> %t/header.cwchar
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_40 2> %t/header.cwchar
 #if defined(TEST_40)
 #include <cwchar>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_41 2> %t/header.cwctype
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_41 2> %t/header.cwctype
 #if defined(TEST_41)
 #include <cwctype>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_42 2> %t/header.deque
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_42 2> %t/header.deque
 #if defined(TEST_42)
 #include <deque>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_44 2> %t/header.exception
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_44 2> %t/header.exception
 #if defined(TEST_44)
 #include <exception>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_45 2> %t/header.execution
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_45 2> %t/header.execution
 #if defined(TEST_45)
 #include <execution>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_46 2> %t/header.expected
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_46 2> %t/header.expected
 #if defined(TEST_46)
 #include <expected>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_48 2> %t/header.filesystem
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_48 2> %t/header.filesystem
 #if defined(TEST_48)
 #include <filesystem>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_50 2> %t/header.format
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_50 2> %t/header.format
 #if defined(TEST_50)
 #include <format>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_51 2> %t/header.forward_list
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_51 2> %t/header.forward_list
 #if defined(TEST_51)
 #include <forward_list>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_52 2> %t/header.fstream
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_52 2> %t/header.fstream
 #if defined(TEST_52)
 #include <fstream>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_53 2> %t/header.functional
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_53 2> %t/header.functional
 #if defined(TEST_53)
 #include <functional>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_54 2> %t/header.future
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_54 2> %t/header.future
 #if defined(TEST_54)
 #include <future>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_55 2> %t/header.initializer_list
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_55 2> %t/header.initializer_list
 #if defined(TEST_55)
 #include <initializer_list>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_57 2> %t/header.iomanip
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_57 2> %t/header.iomanip
 #if defined(TEST_57)
 #include <iomanip>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_58 2> %t/header.ios
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_58 2> %t/header.ios
 #if defined(TEST_58)
 #include <ios>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_59 2> %t/header.iosfwd
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_59 2> %t/header.iosfwd
 #if defined(TEST_59)
 #include <iosfwd>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_60 2> %t/header.iostream
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_60 2> %t/header.iostream
 #if defined(TEST_60)
 #include <iostream>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_61 2> %t/header.istream
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_61 2> %t/header.istream
 #if defined(TEST_61)
 #include <istream>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_62 2> %t/header.iterator
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_62 2> %t/header.iterator
 #if defined(TEST_62)
 #include <iterator>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_63 2> %t/header.latch
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_63 2> %t/header.latch
 #if defined(TEST_63)
 #include <latch>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_64 2> %t/header.limits
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_64 2> %t/header.limits
 #if defined(TEST_64)
 #include <limits>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_66 2> %t/header.list
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_66 2> %t/header.list
 #if defined(TEST_66)
 #include <list>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_67 2> %t/header.locale
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_67 2> %t/header.locale
 #if defined(TEST_67)
 #include <locale>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_69 2> %t/header.map
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_69 2> %t/header.map
 #if defined(TEST_69)
 #include <map>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_71 2> %t/header.memory
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_71 2> %t/header.memory
 #if defined(TEST_71)
 #include <memory>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_72 2> %t/header.memory_resource
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_72 2> %t/header.memory_resource
 #if defined(TEST_72)
 #include <memory_resource>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_73 2> %t/header.mutex
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_73 2> %t/header.mutex
 #if defined(TEST_73)
 #include <mutex>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_74 2> %t/header.new
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_74 2> %t/header.new
 #if defined(TEST_74)
 #include <new>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_75 2> %t/header.numbers
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_75 2> %t/header.numbers
 #if defined(TEST_75)
 #include <numbers>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_76 2> %t/header.numeric
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_76 2> %t/header.numeric
 #if defined(TEST_76)
 #include <numeric>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_77 2> %t/header.optional
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_77 2> %t/header.optional
 #if defined(TEST_77)
 #include <optional>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_78 2> %t/header.ostream
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_78 2> %t/header.ostream
 #if defined(TEST_78)
 #include <ostream>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_79 2> %t/header.queue
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_79 2> %t/header.queue
 #if defined(TEST_79)
 #include <queue>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_80 2> %t/header.random
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_80 2> %t/header.random
 #if defined(TEST_80)
 #include <random>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_81 2> %t/header.ranges
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_81 2> %t/header.ranges
 #if defined(TEST_81)
 #include <ranges>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_82 2> %t/header.ratio
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_82 2> %t/header.ratio
 #if defined(TEST_82)
 #include <ratio>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_83 2> %t/header.regex
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_83 2> %t/header.regex
 #if defined(TEST_83)
 #include <regex>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_84 2> %t/header.scoped_allocator
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_84 2> %t/header.scoped_allocator
 #if defined(TEST_84)
 #include <scoped_allocator>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_85 2> %t/header.semaphore
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_85 2> %t/header.semaphore
 #if defined(TEST_85)
 #include <semaphore>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_86 2> %t/header.set
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_86 2> %t/header.set
 #if defined(TEST_86)
 #include <set>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_88 2> %t/header.shared_mutex
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_88 2> %t/header.shared_mutex
 #if defined(TEST_88)
 #include <shared_mutex>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_89 2> %t/header.source_location
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_89 2> %t/header.source_location
 #if defined(TEST_89)
 #include <source_location>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_90 2> %t/header.span
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_90 2> %t/header.span
 #if defined(TEST_90)
 #include <span>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_91 2> %t/header.sstream
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_91 2> %t/header.sstream
 #if defined(TEST_91)
 #include <sstream>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_92 2> %t/header.stack
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_92 2> %t/header.stack
 #if defined(TEST_92)
 #include <stack>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_96 2> %t/header.stdexcept
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_96 2> %t/header.stdexcept
 #if defined(TEST_96)
 #include <stdexcept>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_100 2> %t/header.streambuf
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_100 2> %t/header.streambuf
 #if defined(TEST_100)
 #include <streambuf>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_101 2> %t/header.string
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_101 2> %t/header.string
 #if defined(TEST_101)
 #include <string>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_103 2> %t/header.string_view
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_103 2> %t/header.string_view
 #if defined(TEST_103)
 #include <string_view>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_104 2> %t/header.strstream
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_104 2> %t/header.strstream
 #if defined(TEST_104)
 #include <strstream>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_105 2> %t/header.system_error
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_105 2> %t/header.system_error
 #if defined(TEST_105)
 #include <system_error>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_107 2> %t/header.thread
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_107 2> %t/header.thread
 #if defined(TEST_107)
 #include <thread>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_108 2> %t/header.tuple
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_108 2> %t/header.tuple
 #if defined(TEST_108)
 #include <tuple>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_109 2> %t/header.type_traits
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_109 2> %t/header.type_traits
 #if defined(TEST_109)
 #include <type_traits>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_110 2> %t/header.typeindex
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_110 2> %t/header.typeindex
 #if defined(TEST_110)
 #include <typeindex>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_111 2> %t/header.typeinfo
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_111 2> %t/header.typeinfo
 #if defined(TEST_111)
 #include <typeinfo>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_113 2> %t/header.unordered_map
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_113 2> %t/header.unordered_map
 #if defined(TEST_113)
 #include <unordered_map>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_114 2> %t/header.unordered_set
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_114 2> %t/header.unordered_set
 #if defined(TEST_114)
 #include <unordered_set>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_115 2> %t/header.utility
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_115 2> %t/header.utility
 #if defined(TEST_115)
 #include <utility>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_116 2> %t/header.valarray
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_116 2> %t/header.valarray
 #if defined(TEST_116)
 #include <valarray>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_117 2> %t/header.variant
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_117 2> %t/header.variant
 #if defined(TEST_117)
 #include <variant>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_118 2> %t/header.vector
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_118 2> %t/header.vector
 #if defined(TEST_118)
 #include <vector>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_119 2> %t/header.version
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_119 2> %t/header.version
 #if defined(TEST_119)
 #include <version>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_122 2> %t/header.experimental_deque
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_122 2> %t/header.experimental_deque
 #if defined(TEST_122)
 #include <experimental/deque>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_123 2> %t/header.experimental_forward_list
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_123 2> %t/header.experimental_forward_list
 #if defined(TEST_123)
 #include <experimental/forward_list>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_124 2> %t/header.experimental_iterator
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_124 2> %t/header.experimental_iterator
 #if defined(TEST_124)
 #include <experimental/iterator>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_125 2> %t/header.experimental_list
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_125 2> %t/header.experimental_list
 #if defined(TEST_125)
 #include <experimental/list>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_126 2> %t/header.experimental_map
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_126 2> %t/header.experimental_map
 #if defined(TEST_126)
 #include <experimental/map>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_127 2> %t/header.experimental_memory_resource
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_127 2> %t/header.experimental_memory_resource
 #if defined(TEST_127)
 #include <experimental/memory_resource>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_128 2> %t/header.experimental_propagate_const
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_128 2> %t/header.experimental_propagate_const
 #if defined(TEST_128)
 #include <experimental/propagate_const>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_129 2> %t/header.experimental_regex
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_129 2> %t/header.experimental_regex
 #if defined(TEST_129)
 #include <experimental/regex>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_130 2> %t/header.experimental_set
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_130 2> %t/header.experimental_set
 #if defined(TEST_130)
 #include <experimental/set>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_131 2> %t/header.experimental_simd
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_131 2> %t/header.experimental_simd
 #if defined(TEST_131)
 #include <experimental/simd>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_132 2> %t/header.experimental_string
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_132 2> %t/header.experimental_string
 #if defined(TEST_132)
 #include <experimental/string>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_133 2> %t/header.experimental_type_traits
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_133 2> %t/header.experimental_type_traits
 #if defined(TEST_133)
 #include <experimental/type_traits>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_134 2> %t/header.experimental_unordered_map
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_134 2> %t/header.experimental_unordered_map
 #if defined(TEST_134)
 #include <experimental/unordered_map>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_135 2> %t/header.experimental_unordered_set
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_135 2> %t/header.experimental_unordered_set
 #if defined(TEST_135)
 #include <experimental/unordered_set>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_136 2> %t/header.experimental_utility
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_136 2> %t/header.experimental_utility
 #if defined(TEST_136)
 #include <experimental/utility>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_137 2> %t/header.experimental_vector
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_137 2> %t/header.experimental_vector
 #if defined(TEST_137)
 #include <experimental/vector>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_138 2> %t/header.ext_hash_map
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_138 2> %t/header.ext_hash_map
 #if defined(TEST_138)
 #include <ext/hash_map>
 #endif
-// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes -fsyntax-only -DTEST_139 2> %t/header.ext_hash_set
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fshow-skipped-includes --preprocess -DTEST_139 2> %t/header.ext_hash_set
 #if defined(TEST_139)
 #include <ext/hash_set>
 #endif