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view gcc/testsuite/gcc.dg/Wstrict-overflow-24.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
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/* { dg-do compile } */
/* { dg-options "-fstrict-overflow -O2" } */
/* { dg-message "warnings being treated as errors" "" {target "*-*-*"} 0 } */
#pragma GCC diagnostic error "-Wstrict-overflow"

int
foo (int i)
{
  return __builtin_abs (i) >= 0; /* { dg-error "assuming signed overflow does not occur" "correct warning" } */
}