Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr48335-4.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* PR middle-end/48335 */ /* { dg-do compile } */ /* { dg-options "-O2 -fno-tree-sra" } */ typedef short U __attribute__((may_alias, aligned (1))); struct S { double d; }; void bar (struct S); void f1 (int x) { struct S s = { .d = 0.0 }; ((U *)((char *) &s.d + 1))[-1] = x; __real__ s.d *= 7.0; bar (s); } void f2 (int x) { struct S s = { .d = 0.0 }; ((U *)((char *) &s.d + 1))[-2] = x; __real__ s.d *= 7.0; bar (s); } void f3 (int x) { struct S s = { .d = 0.0 }; ((U *)((char *) &s.d + 1))[5] = x; __real__ s.d *= 7.0; bar (s); }