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view gcc/testsuite/gcc.dg/Wstrict-aliasing-struct-with-char-member.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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/* { dg-do compile } */
/* { dg-options "-O2 -Wall" } */

struct a {
    int i;
    char c;
};
struct b {
    float f;
    float g;
};
int main(void)
{
  static struct b b;
  return ((struct a *)&b)->i; /* { dg-warning "will break strict-aliasing" } */
}