actually also compile output in tests for -frewrite-includes

[llunak]

Summary

This depends on https://reviews.llvm.org/D63508 (where I posted one version of a patch that created broken output without the tests catching it).

cfe/trunk/test/Frontend/Inputs/NextIncludes/rewrite-includes9.h

-included_line9
+int included_line9;

cfe/trunk/test/Frontend/Inputs/rewrite-includes1.h

 #pragma clang system_header
-included_line1
+int included_line1;
 #include "rewrite-includes2.h"

cfe/trunk/test/Frontend/Inputs/rewrite-includes2.h

-included_line2
+int included_line2;

cfe/trunk/test/Frontend/Inputs/rewrite-includes3.h

-included_line3
+unsigned int included_line3 = -10;

cfe/trunk/test/Frontend/Inputs/rewrite-includes4.h

-included_line4
+int included_line4;

cfe/trunk/test/Frontend/Inputs/rewrite-includes5.h

-included_line5
+int included_line5;

cfe/trunk/test/Frontend/Inputs/rewrite-includes6.h

 #pragma once
-included_line6
+int included_line6;

cfe/trunk/test/Frontend/Inputs/rewrite-includes7.h

 #ifndef REWRITE_INCLUDES_7
 #define REWRITE_INCLUDES_7
-included_line7
+int included_line7;
 #endif

cfe/trunk/test/Frontend/rewrite-includes-cli-include.c

 // RUN: not %clang_cc1 -verify -E -frewrite-includes -include %S/Inputs/rewrite-includes2.h %s -o - | FileCheck -strict-whitespace %s
 main_file_line
 // CHECK: {{^}}# 1 "<built-in>"{{$}}
 // CHECK-NEXT: {{^}}# 1 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes2.h" 1{{$}}
-// CHECK-NEXT: {{^}}included_line2{{$}}
+// CHECK-NEXT: {{^}}int included_line2;{{$}}
 // CHECK-NEXT: {{^}}# 1 "<built-in>" 2{{$}}
 // CHECK-NEXT: {{^}}# 1 "{{.*}}rewrite-includes-cli-include.c"{{$}}
 // CHECK-NEXT: FileCheck
 // CHECK-NEXT: {{^}}main_file_line{{$}}

cfe/trunk/test/Frontend/rewrite-includes-conditions.c

-// RUN: %clang_cc1 -verify -E -frewrite-includes -I %S/Inputs %s -o - | FileCheck -strict-whitespace %s
-// expected-no-diagnostics
+// RUN: %clang_cc1 -E -frewrite-includes -I %S/Inputs %s -o - | FileCheck -strict-whitespace %s
+// RUN: %clang_cc1 -E -frewrite-includes -I %S/Inputs %s -o - | %clang_cc1 -Wall -Wextra -Wconversion -x c -fsyntax-only 2>&1 | FileCheck -check-prefix=COMPILE --implicit-check-not warning: %s
 
 #define value1 1
 #if value1
-line1
+int line1;
 #else
-line2
+int line2;
 #endif
 
 #define value2 2
 
 #if value1 == value2
-line3
+int line3;
 #elif value1 > value2
-line4
+int line4;
 #elif value1 < value2
-line5
+int line5;
 #else
-line6
+int line6;
 #endif
 
-#if __has_include(<rewrite-includes1.h>)
+#if __has_include(<rewrite-includes3.h>)
+#include <rewrite-includes3.h>
 #endif
 
 #define HAS_INCLUDE(x) __has_include(x)
 
 #if HAS_INCLUDE(<rewrite-includes1.h>)
 #endif
 
 /*
 #if value1
 commented out
 */
 
 #if value1 < value2 \
 || value1 != value2
-line7
+int line7;
 #endif
 
 #if value1 /*
 */
 #endif
 
+static int unused;
+
 // ENDCOMPARE
 
 // CHECK: #if 0 /* disabled by -frewrite-includes */
 // CHECK-NEXT: #if value1
 // CHECK-NEXT: #endif
 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
 // CHECK-NEXT: #if 1 /* evaluated by -frewrite-includes */
 // CHECK-NEXT: # 6 "{{.*}}rewrite-includes-conditions.c"

 // CHECK-NEXT: #if 0
 // CHECK-NEXT: #elif value1 < value2
 // CHECK-NEXT: #endif
 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
 // CHECK-NEXT: #elif 1 /* evaluated by -frewrite-includes */
 // CHECK-NEXT: # 18 "{{.*}}rewrite-includes-conditions.c"
 
 // CHECK: #if 0 /* disabled by -frewrite-includes */
-// CHECK-NEXT: #if __has_include(<rewrite-includes1.h>)
+// CHECK-NEXT: #if __has_include(<rewrite-includes3.h>)
 // CHECK-NEXT: #endif
 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
 // CHECK-NEXT: #if 1 /* evaluated by -frewrite-includes */
 // CHECK-NEXT: # 24 "{{.*}}rewrite-includes-conditions.c"
 
 // CHECK: #if 0 /* disabled by -frewrite-includes */
 // CHECK-NEXT: #if HAS_INCLUDE(<rewrite-includes1.h>)
 // CHECK-NEXT: #endif
 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
 // CHECK-NEXT: #if 1 /* evaluated by -frewrite-includes */
-// CHECK-NEXT: # 29 "{{.*}}rewrite-includes-conditions.c"
+// CHECK-NEXT: # 30 "{{.*}}rewrite-includes-conditions.c"
 
 // CHECK: #if 0 /* disabled by -frewrite-includes */
 // CHECK-NEXT: #if value1 < value2 \
 // CHECK-NEXT: || value1 != value2
 // CHECK-NEXT: #endif
 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
 // CHECK-NEXT: #if 1 /* evaluated by -frewrite-includes */
-// CHECK-NEXT: # 38 "{{.*}}rewrite-includes-conditions.c"
+// CHECK-NEXT: # 39 "{{.*}}rewrite-includes-conditions.c"
 
 // CHECK: #if 0 /* disabled by -frewrite-includes */
 // CHECK-NEXT: #if value1 /*
 // CHECK-NEXT: */
 // CHECK-NEXT: #endif
 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
 // CHECK-NEXT: #if 1 /* evaluated by -frewrite-includes */
-// CHECK-NEXT: # 43 "{{.*}}rewrite-includes-conditions.c"
+// CHECK-NEXT: # 44 "{{.*}}rewrite-includes-conditions.c"
 
 // CHECK: {{^}}// ENDCOMPARE{{$}}
+
+// COMPILE: Inputs/rewrite-includes3.h:1:31: warning: implicit conversion changes signedness:
+// COMPILE: rewrite-includes-conditions.c:46:12: warning: unused variable 'unused'

cfe/trunk/test/Frontend/rewrite-includes.c

-// RUN: not %clang_cc1 -verify -E -frewrite-includes -DFIRST -I %S/Inputs -I %S/Inputs/NextIncludes %s -o - | FileCheck -strict-whitespace %s
-// RUN: not %clang_cc1 -verify -E -frewrite-includes -P -DFIRST -I %S/Inputs -I %S/Inputs/NextIncludes %s -o - | FileCheck -check-prefix=CHECKNL -strict-whitespace %s
+// RUN: %clang_cc1 -E -frewrite-includes -DFIRST -I %S/Inputs -I %S/Inputs/NextIncludes %s -o - | FileCheck -strict-whitespace %s
+// RUN: %clang_cc1 -E -frewrite-includes -P -DFIRST -I %S/Inputs -I %S/Inputs/NextIncludes %s -o - | FileCheck -check-prefix=CHECKNL -strict-whitespace %s
+// RUN: %clang_cc1 -E -frewrite-includes -DFIRST -I %S/Inputs -I %S/Inputs/NextIncludes %s -o - | %clang_cc1 -Wall -Wextra -Wconversion -DFIRST -x c -fsyntax-only 2>&1 | FileCheck -check-prefix=COMPILE --implicit-check-not warning: %s
 // STARTCOMPARE
 #define A(a,b) a ## b
-A(1,2)
+A(in,t) a;
 #include "rewrite-includes1.h"
 #ifdef FIRST
 #define HEADER "rewrite-includes3.h"
 #include HEADER
 #else
 #include "rewrite-includes4.h"
 #endif
   // indented
 #/**/include /**/ "rewrite-includes5.h" /**/ \
  
 #include "rewrite-includes6.h" // comment
  
 #include "rewrite-includes6.h" /* comment
                                   continues */
 #include "rewrite-includes7.h"
 #include "rewrite-includes7.h"
 #include "rewrite-includes8.h"
 #include "rewrite-includes9.h"
+static int unused;
 // ENDCOMPARE
 // CHECK: {{^}}# 1 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK: {{^}}// STARTCOMPARE{{$}}
 // CHECK-NEXT: {{^}}#define A(a,b) a ## b{{$}}
-// CHECK-NEXT: {{^}}A(1,2){{$}}
+// CHECK-NEXT: {{^}}A(in,t) a;{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#include "rewrite-includes1.h"{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECK-NEXT: {{^}}# 6 "{{.*}}rewrite-includes.c"{{$}}
+// CHECK-NEXT: {{^}}# 7 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}# 1 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes1.h" 1{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#pragma clang system_header{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}# 2 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes1.h" 3{{$}}
-// CHECK-NEXT: {{^}}included_line1{{$}}
+// CHECK-NEXT: {{^}}int included_line1;{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#include "rewrite-includes2.h"{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}# 3 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes1.h" 3{{$}}
 // CHECK-NEXT: {{^}}# 1 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes2.h" 1 3{{$}}
-// CHECK-NEXT: {{^}}included_line2{{$}}
+// CHECK-NEXT: {{^}}int included_line2;{{$}}
 // CHECK-NEXT: {{^}}# 4 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes1.h" 2 3{{$}}
-// CHECK-NEXT: {{^}}# 7 "{{.*}}rewrite-includes.c" 2{{$}}
+// CHECK-NEXT: {{^}}# 8 "{{.*}}rewrite-includes.c" 2{{$}}
 // CHECK-NEXT: {{^}}#ifdef FIRST{{$}}
 // CHECK-NEXT: {{^}}#define HEADER "rewrite-includes3.h"{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#include HEADER{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECK-NEXT: {{^}}# 9 "{{.*}}rewrite-includes.c"{{$}}
+// CHECK-NEXT: {{^}}# 10 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}# 1 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes3.h" 1{{$}}
-// CHECK-NEXT: {{^}}included_line3{{$}}
-// CHECK-NEXT: {{^}}# 10 "{{.*}}rewrite-includes.c" 2{{$}}
+// CHECK-NEXT: {{^}}unsigned int included_line3 = -10;{{$}}
+// CHECK-NEXT: {{^}}# 11 "{{.*}}rewrite-includes.c" 2{{$}}
 // CHECK-NEXT: {{^}}#else{{$}}
-// CHECK-NEXT: {{^}}# 11 "{{.*}}rewrite-includes.c"{{$}}
+// CHECK-NEXT: {{^}}# 12 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#include "rewrite-includes4.h"{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECK-NEXT: {{^}}# 11 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}# 12 "{{.*}}rewrite-includes.c"{{$}}
-// CHECK-NEXT: {{^}}#endif{{$}}
 // CHECK-NEXT: {{^}}# 13 "{{.*}}rewrite-includes.c"{{$}}
+// CHECK-NEXT: {{^}}#endif{{$}}
+// CHECK-NEXT: {{^}}# 14 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}  // indented{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#/**/include /**/ "rewrite-includes5.h" /**/ {{\\}}{{$}}
 // CHECK-NEXT: {{^}} {{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECK-NEXT: {{^}}# 15 "{{.*}}rewrite-includes.c"{{$}}
+// CHECK-NEXT: {{^}}# 16 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}# 1 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes5.h" 1{{$}}
-// CHECK-NEXT: {{^}}included_line5{{$}}
-// CHECK-NEXT: {{^}}# 16 "{{.*}}rewrite-includes.c" 2{{$}}
+// CHECK-NEXT: {{^}}int included_line5;{{$}}
+// CHECK-NEXT: {{^}}# 17 "{{.*}}rewrite-includes.c" 2{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#include "rewrite-includes6.h" // comment{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECK-NEXT: {{^}}# 16 "{{.*}}rewrite-includes.c"{{$}}
+// CHECK-NEXT: {{^}}# 17 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}# 1 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes6.h" 1{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#pragma once{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}# 2 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes6.h"{{$}}
-// CHECK-NEXT: {{^}}included_line6{{$}}
-// CHECK-NEXT: {{^}}# 17 "{{.*}}rewrite-includes.c" 2{{$}}
+// CHECK-NEXT: {{^}}int included_line6;{{$}}
+// CHECK-NEXT: {{^}}# 18 "{{.*}}rewrite-includes.c" 2{{$}}
 // CHECK-NEXT: {{^}} {{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#include "rewrite-includes6.h" /* comment{{$}}
 // CHECK-NEXT: {{^}}                                  continues */{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECK-NEXT: {{^}}# 19 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}# 20 "{{.*}}rewrite-includes.c"{{$}}
+// CHECK-NEXT: {{^}}# 21 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#include "rewrite-includes7.h"{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECK-NEXT: {{^}}# 20 "{{.*}}rewrite-includes.c"{{$}}
+// CHECK-NEXT: {{^}}# 21 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}# 1 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes7.h" 1{{$}}
 // CHECK-NEXT: {{^}}#ifndef REWRITE_INCLUDES_7{{$}}
 // CHECK-NEXT: {{^}}#define REWRITE_INCLUDES_7{{$}}
-// CHECK-NEXT: {{^}}included_line7{{$}}
+// CHECK-NEXT: {{^}}int included_line7;{{$}}
 // CHECK-NEXT: {{^}}#endif{{$}}
 // CHECK-NEXT: {{^}}# 5 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes7.h"{{$}}
-// CHECK-NEXT: {{^}}# 21 "{{.*}}rewrite-includes.c" 2{{$}}
+// CHECK-NEXT: {{^}}# 22 "{{.*}}rewrite-includes.c" 2{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#include "rewrite-includes7.h"{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECK-NEXT: {{^}}# 21 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}# 22 "{{.*}}rewrite-includes.c"{{$}}
+// CHECK-NEXT: {{^}}# 23 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#include "rewrite-includes8.h"{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECK-NEXT: {{^}}# 22 "{{.*}}rewrite-includes.c"{{$}}
+// CHECK-NEXT: {{^}}# 23 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}# 1 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes8.h" 1{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* disabled by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#if __has_include_next(<rewrite-includes8.h>){{$}}
 // CHECK-NEXT: {{^}}#endif{{$}}
 // CHECK-NEXT: {{^}}#endif /* disabled by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* evaluated by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}# 2 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes8.h"{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* disabled by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#if 0{{$}}
 // CHECK-NEXT: {{^}}#elif __has_include(<rewrite-includes8.hfail>){{$}}
 // CHECK-NEXT: {{^}}#endif{{$}}
 // CHECK-NEXT: {{^}}#endif /* disabled by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#elif 0 /* evaluated by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}# 3 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes8.h"{{$}}
 // CHECK-NEXT: {{^}}#endif{{$}}
 // CHECK-NEXT: {{^}}# 4 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes8.h"{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* disabled by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#if !__has_include("rewrite-includes8.h"){{$}}
 // CHECK-NEXT: {{^}}#endif{{$}}
 // CHECK-NEXT: {{^}}#endif /* disabled by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* evaluated by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}# 5 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes8.h"{{$}}
 // CHECK-NEXT: {{^}}#endif{{$}}
 // CHECK-NEXT: {{^}}# 6 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes8.h"{{$}}
-// CHECK-NEXT: {{^}}# 23 "{{.*}}rewrite-includes.c" 2{{$}}
+// CHECK-NEXT: {{^}}# 24 "{{.*}}rewrite-includes.c" 2{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#include "rewrite-includes9.h"{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECK-NEXT: {{^}}# 23 "{{.*}}rewrite-includes.c"{{$}}
+// CHECK-NEXT: {{^}}# 24 "{{.*}}rewrite-includes.c"{{$}}
 // CHECK-NEXT: {{^}}# 1 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes9.h" 1{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* disabled by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#if __has_include_next(<rewrite-includes9.h>){{$}}
 // CHECK-NEXT: {{^}}#endif{{$}}
 // CHECK-NEXT: {{^}}#endif /* disabled by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#if 1 /* evaluated by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}# 2 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes9.h"{{$}}
 // CHECK-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}#include_next <rewrite-includes9.h>{{$}}
 // CHECK-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
 // CHECK-NEXT: {{^}}# 2 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes9.h"{{$}}
 // CHECK-NEXT: {{^}}# 1 "{{.*[/\\]Inputs(/|\\\\)NextIncludes(/|\\\\)}}rewrite-includes9.h" 1{{$}}
-// CHECK-NEXT: {{^}}included_line9{{$}}
+// CHECK-NEXT: {{^}}int included_line9;{{$}}
 // CHECK-NEXT: {{^}}# 3 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes9.h" 2{{$}}
 // CHECK-NEXT: {{^}}#endif{{$}}
 // CHECK-NEXT: {{^}}# 4 "{{.*[/\\]Inputs(/|\\\\)}}rewrite-includes9.h"{{$}}
-// CHECK-NEXT: {{^}}# 24 "{{.*}}rewrite-includes.c" 2{{$}}
+// CHECK-NEXT: {{^}}# 25 "{{.*}}rewrite-includes.c" 2{{$}}
+// CHECK-NEXT: {{^}}static int unused;{{$}}
 // CHECK-NEXT: {{^}}// ENDCOMPARE{{$}}
 
 // CHECKNL: {{^}}// STARTCOMPARE{{$}}
 // CHECKNL-NEXT: {{^}}#define A(a,b) a ## b{{$}}
-// CHECKNL-NEXT: {{^}}A(1,2){{$}}
+// CHECKNL-NEXT: {{^}}A(in,t) a;{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#include "rewrite-includes1.h"{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#pragma clang system_header{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECKNL-NEXT: {{^}}included_line1{{$}}
+// CHECKNL-NEXT: {{^}}int included_line1;{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#include "rewrite-includes2.h"{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECKNL-NEXT: {{^}}included_line2{{$}}
+// CHECKNL-NEXT: {{^}}int included_line2;{{$}}
 // CHECKNL-NEXT: {{^}}#ifdef FIRST{{$}}
 // CHECKNL-NEXT: {{^}}#define HEADER "rewrite-includes3.h"{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#include HEADER{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECKNL-NEXT: {{^}}included_line3{{$}}
+// CHECKNL-NEXT: {{^}}unsigned int included_line3 = -10;{{$}}
 // CHECKNL-NEXT: {{^}}#else{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#include "rewrite-includes4.h"{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#endif{{$}}
 // CHECKNL-NEXT: {{^}}  // indented{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#/**/include /**/ "rewrite-includes5.h" /**/ {{\\}}{{$}}
 // CHECKNL-NEXT: {{^}} {{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECKNL-NEXT: {{^}}included_line5{{$}}
+// CHECKNL-NEXT: {{^}}int included_line5;{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#include "rewrite-includes6.h" // comment{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#pragma once{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECKNL-NEXT: {{^}}included_line6{{$}}
+// CHECKNL-NEXT: {{^}}int included_line6;{{$}}
 // CHECKNL-NEXT: {{^}} {{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#include "rewrite-includes6.h" /* comment{{$}}
 // CHECKNL-NEXT: {{^}}                                  continues */{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#include "rewrite-includes7.h"{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#ifndef REWRITE_INCLUDES_7{{$}}
 // CHECKNL-NEXT: {{^}}#define REWRITE_INCLUDES_7{{$}}
-// CHECKNL-NEXT: {{^}}included_line7{{$}}
+// CHECKNL-NEXT: {{^}}int included_line7;{{$}}
 // CHECKNL-NEXT: {{^}}#endif{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#include "rewrite-includes7.h"{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#include "rewrite-includes8.h"{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* disabled by -frewrite-includes */{{$}}

 // CHECKNL-NEXT: {{^}}#if 0 /* disabled by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#if __has_include_next(<rewrite-includes9.h>){{$}}
 // CHECKNL-NEXT: {{^}}#endif{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* disabled by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#if 1 /* evaluated by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#if 0 /* expanded by -frewrite-includes */{{$}}
 // CHECKNL-NEXT: {{^}}#include_next <rewrite-includes9.h>{{$}}
 // CHECKNL-NEXT: {{^}}#endif /* expanded by -frewrite-includes */{{$}}
-// CHECKNL-NEXT: {{^}}included_line9{{$}}
+// CHECKNL-NEXT: {{^}}int included_line9;{{$}}
 // CHECKNL-NEXT: {{^}}#endif{{$}}
+// CHECKNL-NEXT: {{^}}static int unused;{{$}}
 // CHECKNL-NEXT: {{^}}// ENDCOMPARE{{$}}
+
+// COMPILE: Inputs/rewrite-includes3.h:1:31: warning: implicit conversion changes signedness:
+// COMPILE: rewrite-includes.c:25:12: warning: unused variable 'unused'