gcc-4.9/gcc/testsuite/gcc.dg/lto/20100720-4_0.c


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/* { dg-lto-do link } */
/* { dg-lto-options {{-flto -fsigned-char} {-flto -funsigned-char}} } */

char *a;
int f;

void
foo (void)
{
  f = (*a != '-');
} 
int main()
{
  return 0;
}