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| author | Martin Sebor <msebor@redhat.com> | 2018-10-10 17:09:26 +0000 |
|---|---|---|
| committer | Martin Sebor <msebor@gcc.gnu.org> | 2018-10-10 11:09:26 -0600 |
| commit | e3129f233c57ff39eeb2406bffd480fa0a6a0a8b (patch) | |
| tree | e1d31cd9e1baabe173e8098324832b1f9fbcf875 | |
| parent | 422a9f77892599ecf8e498d0e5e32b1db3cab559 (diff) | |
| download | gcc-e3129f233c57ff39eeb2406bffd480fa0a6a0a8b.zip gcc-e3129f233c57ff39eeb2406bffd480fa0a6a0a8b.tar.gz gcc-e3129f233c57ff39eeb2406bffd480fa0a6a0a8b.tar.bz2 | |
PR c/54391 - transparent_union typedef'ing inconsistent
gcc/testsuite/ChangeLog:
* gcc.dg/transparent-union-6.c: New.
From-SVN: r265024
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/transparent-union-6.c | 17 |
2 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2100938..b63373c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 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> + * gcc.c-torture/execute/memchr-1.c: Avoid assuming 4-byte wchar_t. Add a test for 2-byte wchar_t. * gcc.dg/builtin-memchr.c: New test. diff --git a/gcc/testsuite/gcc.dg/transparent-union-6.c b/gcc/testsuite/gcc.dg/transparent-union-6.c new file mode 100644 index 0000000..dcad69b --- /dev/null +++ b/gcc/testsuite/gcc.dg/transparent-union-6.c @@ -0,0 +1,17 @@ +/* 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); +} |