/* { dg-do compile } */ | |
/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow" } */ | |
/* Don't warn about an overflow when folding i > 0. The loop analysis | |
should determine that i does not wrap. */ | |
struct c { unsigned int a; unsigned int b; }; | |
extern void bar (struct c *); | |
int | |
foo (struct c *p) | |
{ | |
int i; | |
int sum = 0; | |
for (i = 0; i < p->a - p->b; ++i) | |
{ | |
if (i > 0) | |
sum += 2; | |
bar (p); | |
} | |
return sum; | |
} |