gcc/testsuite/gcc.dg/torture/pr42878-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fcompare-debug" } */
   3
   4 extern void error(void) __attribute__((noreturn));
   5
   6 struct S {
   7   struct S *s;
   8 };
   9
  10 static inline unsigned char f2()
  11 {
  12   error();
  13 }
  14
  15 static inline void f1()
  16 {
  17   int builtin_optab;
  18   if (!f2() && builtin_optab)
  19     error();
  20 }
  21
  22 extern void f4(struct S *s);
  23
  24 static inline void f3(struct S *s)
  25 {
  26   f4(s->s->s);
  27 }
  28
  29 void expand_builtin(struct S *s, int cond)
  30 {
  31   if (cond)
  32     f1();
  33   f3(s);
  34 }