gcc/gcc/testsuite/gcc.dg/compare6.c

14 lines
336 B
C

/* PR c/2098 */
/* Test for a warning on comparison on out-of-range data. */
/* { dg-do compile } */
/* { dg-options "-Wtype-limits" } */
signed char sc;
unsigned char uc;
void foo()
{
if (sc == 10000) return; /* { dg-warning "always false" "signed" } */
if (uc == 10000) return; /* { dg-warning "always false" "unsigned" } */
}