Index: test/asan/TestCases/Darwin/dyld_insert_libraries_reexec.cc
===================================================================
--- test/asan/TestCases/Darwin/dyld_insert_libraries_reexec.cc
+++ test/asan/TestCases/Darwin/dyld_insert_libraries_reexec.cc
@@ -3,30 +3,31 @@
 
 // UNSUPPORTED: ios
 
-// RUN: mkdir -p %T/dyld_insert_libraries_reexec
+// RUN: rm -rf %t
+// RUN: mkdir -p %t
 // RUN: cp `%clang_asan %s -fsanitize=address -### 2>&1 \
 // RUN:   | grep "libclang_rt.asan_osx_dynamic.dylib" \
 // RUN:   | sed -e 's/.*"\(.*libclang_rt.asan_osx_dynamic.dylib\)".*/\1/'` \
-// RUN:   %T/dyld_insert_libraries_reexec/libclang_rt.asan_osx_dynamic.dylib
-// RUN: %clangxx_asan %s -o %T/dyld_insert_libraries_reexec/a.out
+// RUN:   %t/libclang_rt.asan_osx_dynamic.dylib
+// RUN: %clangxx_asan %s -o %t/a.out
 
 // RUN:   %env_asan_opts=verbosity=1 \
 // RUN:       DYLD_INSERT_LIBRARIES=@executable_path/libclang_rt.asan_osx_dynamic.dylib \
-// RUN:       %run %T/dyld_insert_libraries_reexec/a.out 2>&1 \
+// RUN:       %run %t/a.out 2>&1 \
 // RUN:   | FileCheck %s
 
 // RUN: IS_OSX_10_11_OR_HIGHER=$([ `sw_vers -productVersion | cut -d'.' -f2` -lt 11 ]; echo $?)
 
 // On OS X 10.10 and lower, if the dylib is not DYLD-inserted, ASan will re-exec.
 // RUN: if [ $IS_OSX_10_11_OR_HIGHER == 0 ]; then \
-// RUN:   %env_asan_opts=verbosity=1 %run %T/dyld_insert_libraries_reexec/a.out 2>&1 \
+// RUN:   %env_asan_opts=verbosity=1 %run %t/a.out 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-NOINSERT %s; \
 // RUN:   fi
 
 // On OS X 10.11 and higher, we don't need to DYLD-insert anymore, and the interceptors
 // still installed correctly. Let's just check that things work and we don't try to re-exec.
 // RUN: if [ $IS_OSX_10_11_OR_HIGHER == 1 ]; then \
-// RUN:   %env_asan_opts=verbosity=1 %run %T/dyld_insert_libraries_reexec/a.out 2>&1 \
+// RUN:   %env_asan_opts=verbosity=1 %run %t/a.out 2>&1 \
 // RUN:   | FileCheck %s; \
 // RUN:   fi
 
Index: test/asan/TestCases/Darwin/dyld_insert_libraries_remove.cc
===================================================================
--- test/asan/TestCases/Darwin/dyld_insert_libraries_remove.cc
+++ test/asan/TestCases/Darwin/dyld_insert_libraries_remove.cc
@@ -4,26 +4,27 @@
 
 // UNSUPPORTED: ios
 
-// RUN: mkdir -p %T/dyld_insert_libraries_remove
+// RUN: rm -rf %t
+// RUN: mkdir -p %t
 // RUN: cp `%clang_asan %s -fsanitize=address -### 2>&1 \
 // RUN:   | grep "libclang_rt.asan_osx_dynamic.dylib" \
 // RUN:   | sed -e 's/.*"\(.*libclang_rt.asan_osx_dynamic.dylib\)".*/\1/'` \
-// RUN:   %T/dyld_insert_libraries_remove/libclang_rt.asan_osx_dynamic.dylib
+// RUN:   %t/libclang_rt.asan_osx_dynamic.dylib
 
-// RUN: %clangxx_asan %s -o %T/dyld_insert_libraries_remove/a.out
+// RUN: %clangxx_asan %s -o %t/a.out
 // RUN: %clangxx -DSHARED_LIB %s \
-// RUN:     -dynamiclib -o %T/dyld_insert_libraries_remove/dummy-so.dylib
+// RUN:     -dynamiclib -o %t/dummy-so.dylib
 
-// RUN: ( cd %T/dyld_insert_libraries_remove && \
+// RUN: ( cd %t && \
 // RUN:   DYLD_INSERT_LIBRARIES=@executable_path/libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
 // RUN:   %run ./a.out 2>&1 ) | FileCheck %s || exit 1
 
-// RUN: ( cd %T/dyld_insert_libraries_remove && \
+// RUN: ( cd %t && \
 // RUN:   DYLD_INSERT_LIBRARIES=libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
 // RUN:   %run ./a.out 2>&1 ) | FileCheck %s || exit 1
 
-// RUN: ( cd %T/dyld_insert_libraries_remove && \
-// RUN:   DYLD_INSERT_LIBRARIES=%T/dyld_insert_libraries_remove/libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
+// RUN: ( cd %t && \
+// RUN:   DYLD_INSERT_LIBRARIES=%t/libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
 // RUN:   %run ./a.out 2>&1 ) | FileCheck %s || exit 1
 
 #if !defined(SHARED_LIB)
Index: test/asan/TestCases/Darwin/unset-insert-libraries-on-exec.cc
===================================================================
--- test/asan/TestCases/Darwin/unset-insert-libraries-on-exec.cc
+++ test/asan/TestCases/Darwin/unset-insert-libraries-on-exec.cc
@@ -2,16 +2,16 @@
 // executing other programs.
 
 // RUN: %clangxx_asan %s -o %t
-// RUN: %clangxx %p/../Helpers/echo-env.cc -o %T/echo-env
+// RUN: %clangxx %p/../Helpers/echo-env.cc -o %t-echo-env
 // RUN: %clangxx -DSHARED_LIB %s \
 // RUN:     -dynamiclib -o %t-darwin-dummy-shared-lib-so.dylib
 
 // Make sure DYLD_INSERT_LIBRARIES doesn't contain the runtime library before
 // execl().
 
-// RUN: %run %t %T/echo-env >/dev/null 2>&1
+// RUN: %run %t %t-echo-env >/dev/null 2>&1
 // RUN: %env DYLD_INSERT_LIBRARIES=%t-darwin-dummy-shared-lib-so.dylib \
-// RUN:     %run %t %T/echo-env 2>&1 | FileCheck %s || exit 1
+// RUN:     %run %t %t-echo-env 2>&1 | FileCheck %s || exit 1
 
 #if !defined(SHARED_LIB)
 #include <unistd.h>
Index: test/asan/TestCases/Linux/coverage-missing.cc
===================================================================
--- test/asan/TestCases/Linux/coverage-missing.cc
+++ test/asan/TestCases/Linux/coverage-missing.cc
@@ -2,18 +2,18 @@
 
 // First case: coverage from executable. main() is called on every code path.
 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s -o %t -DFOOBAR -DMAIN
-// RUN: rm -rf %T/coverage-missing
-// RUN: mkdir -p %T/coverage-missing
-// RUN: cd %T/coverage-missing
-// RUN: %env_asan_opts=coverage=1:coverage_dir=%T/coverage-missing %run %t
+// RUN: rm -rf %t-dir
+// RUN: mkdir -p %t-dir
+// RUN: cd %t-dir
+// RUN: %env_asan_opts=coverage=1:coverage_dir=%t-dir %run %t
 // RUN: %sancov print *.sancov > main.txt
 // RUN: rm *.sancov
 // RUN: count 1 < main.txt
-// RUN: %env_asan_opts=coverage=1:coverage_dir=%T/coverage-missing %run %t x
+// RUN: %env_asan_opts=coverage=1:coverage_dir=%t-dir %run %t x
 // RUN: %sancov print *.sancov > foo.txt
 // RUN: rm *.sancov
 // RUN: count 3 < foo.txt
-// RUN: %env_asan_opts=coverage=1:coverage_dir=%T/coverage-missing %run %t x x
+// RUN: %env_asan_opts=coverage=1:coverage_dir=%t-dir %run %t x x
 // RUN: %sancov print *.sancov > bar.txt
 // RUN: rm *.sancov
 // RUN: count 4 < bar.txt
@@ -26,18 +26,18 @@
 // RUN: not grep "^<" %t.log
 
 // Second case: coverage from DSO.
-// cd %T
+// cd %t-dir
 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s -o %dynamiclib -DFOOBAR -shared -fPIC
 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s %dynamiclib -o %t -DMAIN
 // RUN: cd ..
-// RUN: rm -rf %T/coverage-missing
-// RUN: mkdir -p %T/coverage-missing
-// RUN: cd %T/coverage-missing
-// RUN: %env_asan_opts=coverage=1:coverage_dir=%T/coverage-missing %run %t x
+// RUN: rm -rf %t-dir
+// RUN: mkdir -p %t-dir
+// RUN: cd %t-dir
+// RUN: %env_asan_opts=coverage=1:coverage_dir=%t-dir %run %t x
 // RUN: %sancov print %xdynamiclib_filename.*.sancov > foo.txt
 // RUN: rm *.sancov
 // RUN: count 2 < foo.txt
-// RUN: %env_asan_opts=coverage=1:coverage_dir=%T/coverage-missing %run %t x x
+// RUN: %env_asan_opts=coverage=1:coverage_dir=%t-dir %run %t x x
 // RUN: %sancov print %xdynamiclib_filename.*.sancov > bar.txt
 // RUN: rm *.sancov
 // RUN: count 3 < bar.txt
Index: test/asan/TestCases/Linux/interception_readdir_r_test.cc
===================================================================
--- test/asan/TestCases/Linux/interception_readdir_r_test.cc
+++ test/asan/TestCases/Linux/interception_readdir_r_test.cc
@@ -1,15 +1,18 @@
 // FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
 // XFAIL: android
+
+// RUN: rm -rf %t-dir
+// RUN: mkdir -p %t-dir
 //
-// RUN: %clangxx_asan -O0 %s -DTEMP_DIR='"'"%T"'"' -o %t && %run %t 2>&1 | FileCheck %s
-// RUN: %clangxx_asan -O1 %s -DTEMP_DIR='"'"%T"'"' -o %t && %run %t 2>&1 | FileCheck %s
-// RUN: %clangxx_asan -O2 %s -DTEMP_DIR='"'"%T"'"' -o %t && %run %t 2>&1 | FileCheck %s
-// RUN: %clangxx_asan -O3 %s -DTEMP_DIR='"'"%T"'"' -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O0 %s -DTEMP_DIR='"'"%t-dir"'"' -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O1 %s -DTEMP_DIR='"'"%t-dir"'"' -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O2 %s -DTEMP_DIR='"'"%t-dir"'"' -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O3 %s -DTEMP_DIR='"'"%t-dir"'"' -o %t && %run %t 2>&1 | FileCheck %s
 //
-// RUN: %clangxx_asan -O0 %s -D_FILE_OFFSET_BITS=64 -DTEMP_DIR='"'"%T"'"' -o %t && %run %t 2>&1 | FileCheck %s
-// RUN: %clangxx_asan -O1 %s -D_FILE_OFFSET_BITS=64 -DTEMP_DIR='"'"%T"'"' -o %t && %run %t 2>&1 | FileCheck %s
-// RUN: %clangxx_asan -O2 %s -D_FILE_OFFSET_BITS=64 -DTEMP_DIR='"'"%T"'"' -o %t && %run %t 2>&1 | FileCheck %s
-// RUN: %clangxx_asan -O3 %s -D_FILE_OFFSET_BITS=64 -DTEMP_DIR='"'"%T"'"' -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O0 %s -D_FILE_OFFSET_BITS=64 -DTEMP_DIR='"'"%t-dir"'"' -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O1 %s -D_FILE_OFFSET_BITS=64 -DTEMP_DIR='"'"%t-dir"'"' -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O2 %s -D_FILE_OFFSET_BITS=64 -DTEMP_DIR='"'"%t-dir"'"' -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O3 %s -D_FILE_OFFSET_BITS=64 -DTEMP_DIR='"'"%t-dir"'"' -o %t && %run %t 2>&1 | FileCheck %s
 
 #include <dirent.h>
 #include <memory.h>
Index: test/asan/TestCases/Linux/stack-trace-dlclose.cc
===================================================================
--- test/asan/TestCases/Linux/stack-trace-dlclose.cc
+++ test/asan/TestCases/Linux/stack-trace-dlclose.cc
@@ -1,8 +1,10 @@
 // FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
 // XFAIL: android
 //
-// RUN: %clangxx_asan -DSHARED %s -shared -o %T/stack_trace_dlclose.so -fPIC
-// RUN: %clangxx_asan -DSO_DIR=\"%T\" %s %libdl -o %t
+// RUN: rm -rf %t-dir
+// RUN: mkdir -p %t-dir
+// RUN: %clangxx_asan -DSHARED %s -shared -o %t-dir/stack_trace_dlclose.so -fPIC
+// RUN: %clangxx_asan -DSO_DIR=\"%t-dir\" %s %libdl -o %t
 // RUN: %env_asan_opts=exitcode=0 %run %t 2>&1 | FileCheck %s
 // REQUIRES: stable-runtime
 
Index: test/asan/TestCases/Posix/asan-symbolize-bad-path.cc
===================================================================
--- test/asan/TestCases/Posix/asan-symbolize-bad-path.cc
+++ test/asan/TestCases/Posix/asan-symbolize-bad-path.cc
@@ -1,4 +1,4 @@
 // Test that asan_symbolize does not hang when provided with an non-existing
 // path.
-// RUN: echo '#0 0xabcdabcd (%T/bad/path+0x1234)' | %asan_symbolize | FileCheck %s
+// RUN: echo '#0 0xabcdabcd (%t/bad/path+0x1234)' | %asan_symbolize | FileCheck %s
 // CHECK: #0 0xabcdabcd
Index: test/asan/TestCases/Posix/coverage-fork.cc
===================================================================
--- test/asan/TestCases/Posix/coverage-fork.cc
+++ test/asan/TestCases/Posix/coverage-fork.cc
@@ -1,6 +1,6 @@
 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s -o %t
-// RUN: rm -rf %T/coverage-fork
-// RUN: mkdir -p %T/coverage-fork && cd %T/coverage-fork
+// RUN: rm -rf %t-dir
+// RUN: mkdir -p %t-dir && cd %t-dir
 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t 2>&1 | FileCheck %s
 //
 // UNSUPPORTED: android
Index: test/asan/TestCases/Posix/coverage-reset.cc
===================================================================
--- test/asan/TestCases/Posix/coverage-reset.cc
+++ test/asan/TestCases/Posix/coverage-reset.cc
@@ -1,6 +1,6 @@
 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard -DSHARED %s -shared -o %dynamiclib -fPIC %ld_flags_rpath_so
 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s %ld_flags_rpath_exe -o %t
-// RUN: rm -rf %T/coverage-reset && mkdir -p %T/coverage-reset && cd %T/coverage-reset
+// RUN: rm -rf %t-dir && mkdir -p %t-dir && cd %t-dir
 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t 2>&1 | FileCheck %s
 //
 // UNSUPPORTED: ios
Index: test/asan/TestCases/Posix/coverage.cc
===================================================================
--- test/asan/TestCases/Posix/coverage.cc
+++ test/asan/TestCases/Posix/coverage.cc
@@ -1,6 +1,6 @@
 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard -DSHARED %s -shared -o %dynamiclib -fPIC %ld_flags_rpath_so
 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s %ld_flags_rpath_exe -o %t
-// RUN: rm -rf %T/coverage && mkdir -p %T/coverage && cd %T/coverage
+// RUN: rm -rf %t-dir && mkdir -p %t-dir && cd %t-dir
 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t 2>&1         | FileCheck %s --check-prefix=CHECK-main
 // RUN: %sancov print coverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV1
 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t foo 2>&1     | FileCheck %s --check-prefix=CHECK-foo
@@ -14,7 +14,7 @@
 // RUN: %sancov print merged-cov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2
 // RUN: %env_asan_opts=coverage=1:verbosity=1 not %run %t foo bar 4    2>&1 | FileCheck %s --check-prefix=CHECK-report
 // RUN: %env_asan_opts=coverage=1:verbosity=1 not %run %t foo bar 4 5  2>&1 | FileCheck %s --check-prefix=CHECK-segv
-// RUN: rm -r %T/coverage
+// RUN: rm -r %t-dir
 //
 // https://code.google.com/p/address-sanitizer/issues/detail?id=263
 // XFAIL: android
Index: test/asan/TestCases/Windows/coverage-basic.cc
===================================================================
--- test/asan/TestCases/Windows/coverage-basic.cc
+++ test/asan/TestCases/Windows/coverage-basic.cc
@@ -1,5 +1,5 @@
-// RUN: rm -rf %T/coverage-basic
-// RUN: mkdir %T/coverage-basic && cd %T/coverage-basic
+// RUN: rm -rf %t-dir
+// RUN: mkdir %t-dir && cd %t-dir
 // RUN: %clangxx_asan -fsanitize-coverage=func %s -o test.exe
 // RUN: %env_asan_opts=coverage=1 %run ./test.exe
 //
Index: test/asan/TestCases/coverage-and-lsan.cc
===================================================================
--- test/asan/TestCases/coverage-and-lsan.cc
+++ test/asan/TestCases/coverage-and-lsan.cc
@@ -2,11 +2,11 @@
 //
 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s -o %t
 //
-// RUN: rm -rf %T/coverage-and-lsan
+// RUN: rm -rf %t-dir
 //
-// RUN: mkdir -p %T/coverage-and-lsan/normal
-// RUN: %env_asan_opts=coverage=1:coverage_dir=%T/coverage-and-lsan:verbosity=1 not %run %t 2>&1 | FileCheck %s
-// RUN: %sancov print %T/coverage-and-lsan/*.sancov 2>&1
+// RUN: mkdir -p %t-dir
+// RUN: %env_asan_opts=coverage=1:coverage_dir=%t-dir:verbosity=1 not %run %t 2>&1 | FileCheck %s
+// RUN: %sancov print %t-dir/*.sancov 2>&1
 //
 // REQUIRES: leak-detection
 
Index: test/asan/TestCases/coverage-disabled.cc
===================================================================
--- test/asan/TestCases/coverage-disabled.cc
+++ test/asan/TestCases/coverage-disabled.cc
@@ -1,12 +1,12 @@
 // Test that no data is collected without a runtime flag.
 //
-// RUN: %clangxx_asan -fsanitize-coverage=func %s -o %t
+// RUN: rm -rf %t-dir
+// RUN: mkdir -p %t-dir
 //
-// RUN: rm -rf %T/coverage-disabled
+// RUN: %clangxx_asan -fsanitize-coverage=func %s -o %t
 //
-// RUN: mkdir -p %T/coverage-disabled/normal
-// RUN: %env_asan_opts=coverage_direct=0:coverage_dir='"%T/coverage-disabled/normal"':verbosity=1 %run %t
-// RUN: not %sancov print %T/coverage-disabled/normal/*.sancov 2>&1
+// RUN: %env_asan_opts=coverage_direct=0:coverage_dir='"%t-dir"':verbosity=1 %run %t
+// RUN: not %sancov print %t-dir/*.sancov 2>&1
 //
 // UNSUPPORTED: android
 
Index: test/asan/TestCases/suppressions-exec-relative-location.cc
===================================================================
--- test/asan/TestCases/suppressions-exec-relative-location.cc
+++ test/asan/TestCases/suppressions-exec-relative-location.cc
@@ -4,15 +4,15 @@
 
 // If the executable is started from a different location, we should still
 // find the suppression file located relative to the location of the executable.
-// RUN: rm -rf %T/suppressions-exec-relative-location
-// RUN: mkdir -p %T/suppressions-exec-relative-location
-// RUN: %clangxx_asan -O0 %s -o %T/suppressions-exec-relative-location/exec
+// RUN: rm -rf %t-dir
+// RUN: mkdir -p %t-dir
+// RUN: %clangxx_asan -O0 %s -o %t-dir/exec
 // RUN: echo "interceptor_via_fun:crash_function" > \
-// RUN:   %T/suppressions-exec-relative-location/supp.txt
+// RUN:   %t-dir/supp.txt
 // RUN: %env_asan_opts=suppressions='"supp.txt"' \
-// RUN:   %run %T/suppressions-exec-relative-location/exec 2>&1 | \
+// RUN:   %run %t-dir/exec 2>&1 | \
 // RUN:   FileCheck --check-prefix=CHECK-IGNORE %s
-// RUN: rm -rf %T/suppressions-exec-relative-location
+// RUN: rm -rf %t-dir
 
 // If the wrong absolute path is given, we don't try to construct
 // a relative path with it.
Index: test/asan/TestCases/suppressions-library.cc
===================================================================
--- test/asan/TestCases/suppressions-library.cc
+++ test/asan/TestCases/suppressions-library.cc
@@ -7,7 +7,7 @@
 // FIXME: Remove usage of backticks around basename below.
 // REQUIRES: shell
 
-// RUN: echo "interceptor_via_lib:"`basename %dynamiclib` > %t.supp
+// RUN: echo "interceptor_via_lib:"%xdynamiclib_filename > %t.supp
 // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t 2>&1 | FileCheck --check-prefix=CHECK-IGNORE %s
 
 // XFAIL: android
Index: test/asan/TestCases/verbose-log-path_test.cc
===================================================================
--- test/asan/TestCases/verbose-log-path_test.cc
+++ test/asan/TestCases/verbose-log-path_test.cc
@@ -1,12 +1,13 @@
-// RUN: %clangxx_asan %s -o %T/verbose-log-path_test-binary
+// RUN: rm -rf %t-dir && mkdir -p %t-dir
+// RUN: %clangxx_asan %s -o %t-dir/verbose-log-path_test-binary
 
 // The glob below requires bash.
 // REQUIRES: shell
 
 // Good log_path.
-// RUN: rm -f %T/asan.log.*
-// RUN: %env_asan_opts=log_path=%T/asan.log:log_exe_name=1 not %run %T/verbose-log-path_test-binary 2> %t.out
-// RUN: FileCheck %s --check-prefix=CHECK-ERROR < %T/asan.log.verbose-log-path_test-binary.*
+// RUN: rm -f %t-dir/asan.log.*
+// RUN: %env_asan_opts=log_path=%t-dir/asan.log:log_exe_name=1 not %run %t-dir/verbose-log-path_test-binary 2> %t.out
+// RUN: FileCheck %s --check-prefix=CHECK-ERROR < %t-dir/asan.log.verbose-log-path_test-binary.*
 
 // FIXME: only FreeBSD and Linux have verbose log paths now.
 // XFAIL: win32,android
Index: test/asan/lit.cfg
===================================================================
--- test/asan/lit.cfg
+++ test/asan/lit.cfg
@@ -198,16 +198,16 @@
 
 if config.host_os == 'Darwin':
   config.substitutions.append( ("%ld_flags_rpath_exe", '-Wl,-rpath,@executable_path/ %dynamiclib') )
-  config.substitutions.append( ("%ld_flags_rpath_so", '-install_name @rpath/`basename %dynamiclib`') )
+  config.substitutions.append( ("%ld_flags_rpath_so", '-install_name @rpath/%xdynamiclib_filename') )
 elif config.host_os == 'FreeBSD':
-  config.substitutions.append( ("%ld_flags_rpath_exe", "-Wl,-z,origin -Wl,-rpath,\$ORIGIN -L%T -l%xdynamiclib_namespec") )
+  config.substitutions.append( ("%ld_flags_rpath_exe", "-Wl,-z,origin -Wl,-rpath,\$ORIGIN -L`dirname %t` -l%xdynamiclib_namespec") )
   config.substitutions.append( ("%ld_flags_rpath_so", '') )
 elif config.host_os == 'Linux':
-  config.substitutions.append( ("%ld_flags_rpath_exe", "-Wl,-rpath,\$ORIGIN -L%T -l%xdynamiclib_namespec") )
+  config.substitutions.append( ("%ld_flags_rpath_exe", "-Wl,-rpath,\$ORIGIN -L`dirname %t` -l%xdynamiclib_namespec") )
   config.substitutions.append( ("%ld_flags_rpath_so", '') )
 
 # Must be defined after the substitutions that use %dynamiclib.
-config.substitutions.append( ("%dynamiclib", '%T/%xdynamiclib_filename') )
+config.substitutions.append( ("%dynamiclib", '`dirname %t`/%xdynamiclib_filename') )
 config.substitutions.append( ("%xdynamiclib_filename", 'lib%xdynamiclib_namespec.so') )
 config.substitutions.append( ("%xdynamiclib_namespec", '%basename_t.dynamic') )
 
Index: test/cfi/target_uninstrumented.cpp
===================================================================
--- test/cfi/target_uninstrumented.cpp
+++ test/cfi/target_uninstrumented.cpp
@@ -1,5 +1,7 @@
-// RUN: %clangxx -g -DSHARED_LIB %s -fPIC -shared -o %T/target_uninstrumented-so.so
-// RUN: %clangxx_cfi_diag -g %s -o %t %T/target_uninstrumented-so.so
+// RUN: rm -rf %t-dir
+// RUN: mkdir %t-dir
+// RUN: %clangxx -g -DSHARED_LIB %s -fPIC -shared -o %t-dir/target_uninstrumented-so.so
+// RUN: %clangxx_cfi_diag -g %s -o %t %t-dir/target_uninstrumented-so.so
 // RUN: %t 2>&1 | FileCheck %s
 
 // REQUIRES: cxxabi
Index: test/msan/coverage-levels.cc
===================================================================
--- test/msan/coverage-levels.cc
+++ test/msan/coverage-levels.cc
@@ -1,14 +1,14 @@
 // Test various levels of coverage
 //
 // RUN: %clangxx_msan -DINIT_VAR=1 -O1 -fsanitize-coverage=func  %s -o %t
-// RUN: mkdir -p %T/coverage-levels
-// RUN: MSAN_OPTIONS=coverage=1:verbosity=1:coverage_dir=%T/coverage-levels %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_NOWARN
+// RUN: mkdir -p %t-dir
+// RUN: MSAN_OPTIONS=coverage=1:verbosity=1:coverage_dir=%t-dir %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_NOWARN
 // RUN: %clangxx_msan -O1 -fsanitize-coverage=func  %s -o %t
-// RUN: MSAN_OPTIONS=coverage=1:verbosity=1:coverage_dir=%T/coverage-levels not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_WARN
+// RUN: MSAN_OPTIONS=coverage=1:verbosity=1:coverage_dir=%t-dir not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_WARN
 // RUN: %clangxx_msan -O1 -fsanitize-coverage=bb  %s -o %t
-// RUN: MSAN_OPTIONS=coverage=1:verbosity=1:coverage_dir=%T/coverage-levels not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2 --check-prefix=CHECK_WARN
+// RUN: MSAN_OPTIONS=coverage=1:verbosity=1:coverage_dir=%t-dir not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2 --check-prefix=CHECK_WARN
 // RUN: %clangxx_msan -O1 -fsanitize-coverage=edge  %s -o %t
-// RUN: MSAN_OPTIONS=coverage=1:verbosity=1:coverage_dir=%T/coverage-levels not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3 --check-prefix=CHECK_WARN
+// RUN: MSAN_OPTIONS=coverage=1:verbosity=1:coverage_dir=%t-dir not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3 --check-prefix=CHECK_WARN
 
 volatile int sink;
 int main(int argc, char **argv) {
Index: test/sanitizer_common/TestCases/get_module_and_offset_for_pc.cc
===================================================================
--- test/sanitizer_common/TestCases/get_module_and_offset_for_pc.cc
+++ test/sanitizer_common/TestCases/get_module_and_offset_for_pc.cc
@@ -1,5 +1,6 @@
-// RUN: %clangxx -DSHARED %s -shared -o %T/get_module_and_offset_for_pc.so -fPIC
-// RUN: %clangxx -DSO_DIR=\"%T\" -O0 %s -ldl -o %t
+// RUN: mkdir -p %t-dir
+// RUN: %clangxx -DSHARED %s -shared -o %t-dir/get_module_and_offset_for_pc.so -fPIC
+// RUN: %clangxx -DSO_DIR=\"%t-dir\" -O0 %s -ldl -o %t
 // RUN: %run %t 2>&1 | FileCheck %s
 // UNSUPPORTED: i386-darwin
 //
Index: test/scudo/random_shuffle.cpp
===================================================================
--- test/scudo/random_shuffle.cpp
+++ test/scudo/random_shuffle.cpp
@@ -1,12 +1,12 @@
 // RUN: %clang_scudo %s -o %t
-// RUN: rm -rf %T/random_shuffle_tmp_dir
-// RUN: mkdir %T/random_shuffle_tmp_dir
-// RUN: %run %t 100 > %T/random_shuffle_tmp_dir/out1
-// RUN: %run %t 100 > %T/random_shuffle_tmp_dir/out2
-// RUN: %run %t 10000 > %T/random_shuffle_tmp_dir/out1
-// RUN: %run %t 10000 > %T/random_shuffle_tmp_dir/out2
-// RUN: not diff %T/random_shuffle_tmp_dir/out?
-// RUN: rm -rf %T/random_shuffle_tmp_dir
+// RUN: rm -rf %t-dir
+// RUN: mkdir %t-dir
+// RUN: %run %t 100 > %t-dir/out1
+// RUN: %run %t 100 > %t-dir/out2
+// RUN: %run %t 10000 > %t-dir/out1
+// RUN: %run %t 10000 > %t-dir/out2
+// RUN: not diff %t-dir/out?
+// RUN: rm -rf %t-dir
 // UNSUPPORTED: i386-linux,i686-linux,arm-linux,armhf-linux,aarch64-linux,mips-linux,mipsel-linux,mips64-linux,mips64el-linux
 
 // Tests that the allocator shuffles the chunks before returning to the user.
Index: test/tsan/global_race.cc
===================================================================
--- test/tsan/global_race.cc
+++ test/tsan/global_race.cc
@@ -1,12 +1,15 @@
-// RUN: %clangxx_tsan -O1 %s -o %T/global_race.cc.exe && %deflake %run %T/global_race.cc.exe 2>&1 \
+// RUN: rm -rf %t-dir
+// RUN: mkdir %t-dir
+
+// RUN: %clangxx_tsan -O1 %s -o %t-dir/global_race.cc.exe && %deflake %run %t-dir/global_race.cc.exe 2>&1 \
 // RUN:   | FileCheck %s
 
 // Also check that memory access instrumentation can be configured by either
 // driver or legacy flags:
 
-// RUN: %clangxx_tsan -O1 %s -o %T/global_race.cc.exe -fno-sanitize-thread-memory-access && not %deflake %run %T/global_race.cc.exe 2>&1 \
+// RUN: %clangxx_tsan -O1 %s -o %t-dir/global_race.cc.exe -fno-sanitize-thread-memory-access && not %deflake %run %t-dir/global_race.cc.exe 2>&1 \
 // RUN:   | FileCheck --allow-empty --check-prefix=CHECK-MEMORY-ACCESS-OFF %s
-// RUN: %clangxx_tsan -O1 %s -o %T/global_race.cc.exe -mllvm -tsan-instrument-memory-accesses=0 && not %deflake %run %T/global_race.cc.exe 2>&1 \
+// RUN: %clangxx_tsan -O1 %s -o %t-dir/global_race.cc.exe -mllvm -tsan-instrument-memory-accesses=0 && not %deflake %run %t-dir/global_race.cc.exe 2>&1 \
 // RUN:   | FileCheck --allow-empty --check-prefix=CHECK-MEMORY-ACCESS-OFF %s
 
 #include "test.h"
Index: test/tsan/ignore_lib0.cc
===================================================================
--- test/tsan/ignore_lib0.cc
+++ test/tsan/ignore_lib0.cc
@@ -1,9 +1,12 @@
-// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib0.so
-// RUN: %clangxx_tsan -O1 %s -L%T -lignore_lib0 -o %t
+// RUN: rm -rf %t-dir
+// RUN: mkdir %t-dir
+
+// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib0.so
+// RUN: %clangxx_tsan -O1 %s -L%t-dir -lignore_lib0 -o %t
 // RUN: echo running w/o suppressions:
-// RUN: env LD_LIBRARY_PATH=%T${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} %deflake %run %t | FileCheck %s --check-prefix=CHECK-NOSUPP
+// RUN: env LD_LIBRARY_PATH=%t-dir${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} %deflake %run %t | FileCheck %s --check-prefix=CHECK-NOSUPP
 // RUN: echo running with suppressions:
-// RUN: env LD_LIBRARY_PATH=%T${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
+// RUN: env LD_LIBRARY_PATH=%t-dir${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
 
 // Tests that interceptors coming from a library specified in called_from_lib
 // suppression are ignored.
Index: test/tsan/ignore_lib1.cc
===================================================================
--- test/tsan/ignore_lib1.cc
+++ test/tsan/ignore_lib1.cc
@@ -1,9 +1,12 @@
-// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib1.so
-// RUN: %clangxx_tsan -O1 %s -o %t
+// RUN: rm -rf %t-dir
+// RUN: mkdir %t-dir
+
+// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib1.so
+// RUN: %clangxx_tsan -O1 %s -o %t-dir/executable
 // RUN: echo running w/o suppressions:
-// RUN: %deflake %run %t | FileCheck %s --check-prefix=CHECK-NOSUPP
+// RUN: %deflake %run %t-dir/executable | FileCheck %s --check-prefix=CHECK-NOSUPP
 // RUN: echo running with suppressions:
-// RUN: %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
+// RUN: %env_tsan_opts=suppressions='%s.supp' %run %t-dir/executable 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
 
 // Tests that interceptors coming from a dynamically loaded library specified
 // in called_from_lib suppression are ignored.
Index: test/tsan/ignore_lib2.cc
===================================================================
--- test/tsan/ignore_lib2.cc
+++ test/tsan/ignore_lib2.cc
@@ -1,7 +1,10 @@
-// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib2_0.so
-// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib2_1.so
-// RUN: %clangxx_tsan -O1 %s -o %t
-// RUN: %env_tsan_opts=suppressions='%s.supp' %deflake %run %t | FileCheck %s
+// RUN: rm -rf %t-dir
+// RUN: mkdir %t-dir
+
+// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib2_0.so
+// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib2_1.so
+// RUN: %clangxx_tsan -O1 %s -o %t-dir/executable
+// RUN: %env_tsan_opts=suppressions='%s.supp' %deflake %run %t-dir/executable | FileCheck %s
 
 // Tests that called_from_lib suppression matched against 2 libraries
 // causes program crash (this is not supported).
Index: test/tsan/ignore_lib3.cc
===================================================================
--- test/tsan/ignore_lib3.cc
+++ test/tsan/ignore_lib3.cc
@@ -1,6 +1,9 @@
-// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib3.so
-// RUN: %clangxx_tsan -O1 %s -o %t
-// RUN: %env_tsan_opts=suppressions='%s.supp' %deflake %run %t | FileCheck %s
+// RUN: rm -rf %t-dir
+// RUN: mkdir %t-dir
+
+// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib3.so
+// RUN: %clangxx_tsan -O1 %s -o %t-dir/executable
+// RUN: %env_tsan_opts=suppressions='%s.supp' %deflake %run %t-dir/executable | FileCheck %s
 
 // Tests that unloading of a library matched against called_from_lib suppression
 // causes program crash (this is not supported).
Index: test/tsan/ignore_lib4.cc
===================================================================
--- test/tsan/ignore_lib4.cc
+++ test/tsan/ignore_lib4.cc
@@ -1,7 +1,10 @@
-// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -shared -o %T/libignore_lib4.so
-// RUN: %clangxx_tsan -O1 %s -o %t
-// RUN: echo "called_from_lib:libignore_lib4.so" > %t.supp
-// RUN: %env_tsan_opts=suppressions='%t.supp' %run %t 2>&1 | FileCheck %s
+// RUN: rm -rf %t-dir
+// RUN: mkdir %t-dir
+
+// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -shared -o %t-dir/libignore_lib4.so
+// RUN: %clangxx_tsan -O1 %s -o %t-dir/executable
+// RUN: echo "called_from_lib:libignore_lib4.so" > %t-dir/executable.supp
+// RUN: %env_tsan_opts=suppressions='%t-dir/executable.supp' %run %t-dir/executable 2>&1 | FileCheck %s
 
 // powerpc64 big endian bots failed with "FileCheck error: '-' is empty" due
 // to a segmentation fault.
Index: test/tsan/ignore_lib5.cc
===================================================================
--- test/tsan/ignore_lib5.cc
+++ test/tsan/ignore_lib5.cc
@@ -1,9 +1,12 @@
-// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib1.so
-// RUN: %clangxx_tsan -O1 %s -o %t
+// RUN: rm -rf %t-dir
+// RUN: mkdir %t-dir
+
+// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib1.so
+// RUN: %clangxx_tsan -O1 %s -o %t-dir/executable
 // RUN: echo running w/o suppressions:
-// RUN: %deflake %run %t | FileCheck %s --check-prefix=CHECK-NOSUPP
+// RUN: %deflake %run %t-dir/executable | FileCheck %s --check-prefix=CHECK-NOSUPP
 // RUN: echo running with suppressions:
-// RUN: %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
+// RUN: %env_tsan_opts=suppressions='%s.supp' %run %t-dir/executable 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
 
 // REQUIRES: stable-runtime
 // UNSUPPORTED: powerpc64le
Index: test/tsan/simple_stack2.cc
===================================================================
--- test/tsan/simple_stack2.cc
+++ test/tsan/simple_stack2.cc
@@ -1,4 +1,4 @@
-// RUN: %clangxx_tsan -O1 %s -o %T/simple_stack2.cc.exe && %deflake %run %T/simple_stack2.cc.exe | FileCheck %s
+// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
 #include "test.h"
 
 int Global;
@@ -44,10 +44,10 @@
 
 // CHECK:      WARNING: ThreadSanitizer: data race
 // CHECK-NEXT:   Write of size 4 at {{.*}} by thread T1:
-// CHECK-NEXT:     #0 foo1{{.*}} {{.*}}simple_stack2.cc:7{{(:10)?}} ({{.*}})
-// CHECK-NEXT:     #1 bar1{{.*}} {{.*}}simple_stack2.cc:14{{(:3)?}} ({{.*}})
-// CHECK-NEXT:     #2 Thread1{{.*}} {{.*}}simple_stack2.cc:32{{(:3)?}} ({{.*}})
+// CHECK-NEXT:     #0 foo1{{.*}} {{.*}}simple_stack2.cc:[[@LINE-40]]{{(:10)?}} ({{.*}})
+// CHECK-NEXT:     #1 bar1{{.*}} {{.*}}simple_stack2.cc:[[@LINE-34]]{{(:3)?}} ({{.*}})
+// CHECK-NEXT:     #2 Thread1{{.*}} {{.*}}simple_stack2.cc:[[@LINE-17]]{{(:3)?}} ({{.*}})
 // CHECK:        Previous read of size 4 at {{.*}} by main thread:
-// CHECK-NEXT:     #0 foo2{{.*}} {{.*}}simple_stack2.cc:18{{(:22)?}} ({{.*}})
-// CHECK-NEXT:     #1 bar2{{.*}} {{.*}}simple_stack2.cc:27{{(:3)?}} ({{.*}})
-// CHECK-NEXT:     #2 main{{.*}} {{.*}}simple_stack2.cc:40{{(:3)?}} ({{.*}})
+// CHECK-NEXT:     #0 foo2{{.*}} {{.*}}simple_stack2.cc:[[@LINE-33]]{{(:22)?}} ({{.*}})
+// CHECK-NEXT:     #1 bar2{{.*}} {{.*}}simple_stack2.cc:[[@LINE-25]]{{(:3)?}} ({{.*}})
+// CHECK-NEXT:     #2 main{{.*}} {{.*}}simple_stack2.cc:[[@LINE-13]]{{(:3)?}} ({{.*}})
Index: test/ubsan/TestCases/Misc/coverage-levels.cc
===================================================================
--- test/ubsan/TestCases/Misc/coverage-levels.cc
+++ test/ubsan/TestCases/Misc/coverage-levels.cc
@@ -3,22 +3,22 @@
 // FIXME: Port the environment variable logic below for the lit shell.
 // REQUIRES: shell
 //
-// RUN: rm -rf %T/coverage-levels && mkdir %T/coverage-levels
+// RUN: rm -rf %t-dir && mkdir %t-dir
 // RUN: %clangxx -fsanitize=shift                        -DGOOD_SHIFT=1 -O1 -fsanitize-coverage=func  %s -o %t
-// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%T/coverage-levels"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_NOWARN
+// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%t-dir"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_NOWARN
 // RUN: %clangxx -fsanitize=undefined                    -DGOOD_SHIFT=1 -O1 -fsanitize-coverage=func  %s -o %t
-// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%T/coverage-levels"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_NOWARN
+// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%t-dir"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_NOWARN
 
 // Also works without any sanitizer.
 // RUN: %clangxx                                         -DGOOD_SHIFT=1 -O1 -fsanitize-coverage=func  %s -o %t
-// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%T/coverage-levels"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_NOWARN
+// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%t-dir"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_NOWARN
 
 // RUN: %clangxx -fsanitize=shift -O1 -fsanitize-coverage=func  %s -o %t
-// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%T/coverage-levels"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_WARN
+// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%t-dir"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK_WARN
 // RUN: %clangxx -fsanitize=shift -O1 -fsanitize-coverage=bb  %s -o %t
-// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%T/coverage-levels"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2 --check-prefix=CHECK_WARN
+// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%t-dir"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2 --check-prefix=CHECK_WARN
 // RUN: %clangxx -fsanitize=shift -O1 -fsanitize-coverage=edge  %s -o %t
-// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%T/coverage-levels"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3 --check-prefix=CHECK_WARN
+// RUN: %env_ubsan_opts=coverage=1:verbosity=1:coverage_dir='"%t-dir"' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3 --check-prefix=CHECK_WARN
 
 // Coverage is not yet implemented in TSan.
 // XFAIL: ubsan-tsan