clang/test/PCH/pr4489.c

   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
  12 int x(void)
  13 {
  14   switch (1) {
  15     case 2: ;
  16       int y = 0;
  17   }
  18 }
  19
  20 void y(void) {
  21   extern char z;
  22   fprintf (0, "a");
  23 }
  24
  25 struct y0 { int i; } y0[1] = {};
  26
  27 void x0(void)
  28 {
  29   extern char z0;
  30   fprintf (0, "a");
  31 }
  32
  33 void x1(void)
  34 {
  35   fprintf (0, "asdf");
  36 }
  37
  38 void y1(void)
  39 {
  40   extern char e;
  41   fprintf (0, "asdf");
  42 }