Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/union-5.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* { dg-do run { target i?86-*-* x86_64-*-* } } */ /* { dg-options "-O -fgcse -fno-split-wide-types" } */ extern void abort(void); typedef unsigned short int uint16_t; typedef unsigned int uint32_t; typedef unsigned long long uint64_t; typedef struct { uint16_t thread; uint16_t phase; } s32; typedef union { uint32_t i; s32 s; } u32; typedef union { uint64_t i; u32 u; } u64; static __attribute__((noinline)) void foo(int val) { u64 data; uint32_t thread; data.u.i = 0x10000L; thread = data.u.s.thread; if (val) abort (); if (thread) abort (); } int main(void) { foo (0); return 0; }