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PR c/54391 - transparent_union typedef'ing inconsistent 

gcc/testsuite/ChangeLog:
	* gcc.dg/transparent-union-6.c: New.

From-SVN: r265024
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Martin Sebor 2018-10-10 17:09:26 +00:00 committed by Martin Sebor
parent 422a9f7789
commit e3129f233c
2 changed files with 22 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2018-10-10 Martin Sebor <msebor@redhat.com>
PR c/54391
* gcc.dg/transparent-union-6.c: New.
2018-10-10 Martin Sebor <msebor@redhat.com> 2018-10-10 Martin Sebor <msebor@redhat.com>
* gcc.c-torture/execute/memchr-1.c: Avoid assuming 4-byte wchar_t. * gcc.c-torture/execute/memchr-1.c: Avoid assuming 4-byte wchar_t.

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gcc/testsuite/gcc.dg/transparent-union-6.c Normal file
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/* PR c/54391 - transparent_union typedef'ing inconsistent
{ dg-do compile }
{ dg-options "-Wall" } */
typedef union m30_u m30_t;
union __attribute__((transparent_union)) m30_u {
int u;
};
double make_double (m30_t);
double f (void)
{
int bar = 17;
return make_double (bar);
}