xref: /minix/external/bsd/llvm/dist/clang/test/PCH/pr4489.c (revision 0a6a1f1d) 
1 // RUN: %clang -x c-header -o %t.pch %s
2 // RUN: echo > %t.empty.c
3 // RUN: %clang -include %t -x c %t.empty.c -emit-llvm -S -o -
4 
5 // PR 4489: Crash with PCH
6 // PR 4492: Crash with PCH (round two)
7 // PR 4509: Crash with PCH (round three)
8 typedef struct _IO_FILE FILE;
9 extern int fprintf (struct _IO_FILE *__restrict __stream,
10                     __const char *__restrict __format, ...);
11 
x(void)12 int x(void)
13 {
14   switch (1) {
15     case 2: ;
16       int y = 0;
17   }
18 }
19 
y(void)20 void y(void) {
21   extern char z;
22   fprintf (0, "a");
23 }
24 
25 struct y0 { int i; } y0[1] = {};
26 
x0(void)27 void x0(void)
28 {
29   extern char z0;
30   fprintf (0, "a");
31 }
32 
x1(void)33 void x1(void)
34 {
35   fprintf (0, "asdf");
36 }
37 
y1(void)38 void y1(void)
39 {
40   extern char e;
41   fprintf (0, "asdf");
42 }
43