Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/transparent-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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/* PR 24255 */ /* { dg-do run } */ /* { dg-options "-O" } */ extern void abort (void); union wait { int w_status; }; typedef union { union wait *uptr; int *iptr; } WAIT_STATUS __attribute__ ((__transparent_union__)); int status; union wait wstatus; void __attribute__((noinline)) test1 (WAIT_STATUS s) { if (s.iptr != &status) abort (); } void __attribute__((noinline)) test2 (WAIT_STATUS s) { if (s.uptr != &wstatus) abort (); } int main() { test1 (&status); test2 (&wstatus); return 0; }