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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [Wstrict-overflow-18.c] - Rev 328
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/* { 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. The test is really bogus, p->a - p->b can be larger than INT_MAX and thus i can very well 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) /* { dg-bogus "warning" "" { xfail *-*-* } } */ sum += 2; bar (p); } return sum; }
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