/* { 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; }