rt_gccstream/gcc/testsuite/gcc.dg/Wstrict-overflow-15.c

16 lines
308 B
C

/* { dg-do compile } */
/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=4" } */
/* Source: Ian Lance Taylor. */
int
foo (int j)
{
int i;
int sum = 0;
for (i = 1; i < j; i += i)
sum += __builtin_abs (i); /* { dg-warning "assuming signed overflow does not occur" "" } */
return sum;
}