Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/transparent-union-5.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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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; }