gcc/testsuite/gcc.dg/pr64465.c

   1 /* PR tree-optimization/64465 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fexceptions" } */
   4
   5 extern int foo (int *);
   6 extern int bar (int, int);
   7 static inline __attribute__ ((__always_inline__))
   8 int baz (int o)
   9 {
  10   if (__builtin_constant_p (o))
  11     return bar (o, 1);
  12   return bar (o, 0);
  13 }
  14
  15 void
  16 test (void)
  17 {
  18   int s;
  19   foo (&s);
  20   baz (4);
  21   baz (s);
  22 }