* gcc.c-torture/execute/20001228-1.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38517 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 32 insertions, 0 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b4f220d4f2b..50a513f167a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2000-12-28  Geoffrey Keating  <geoffk@redhat.com>
+
+	* gcc.c-torture/execute/20001228-1.c: New test.
+
 2000-12-28  Joseph S. Myers  <jsm28@cam.ac.uk>
 
 	* gcc.dg/format-strfmon-1.c: New test.
diff --git a/gcc/testsuite/gcc.c-torture/execute/20001228-1.c b/gcc/testsuite/gcc.c-torture/execute/20001228-1.c
new file mode 100644
index 00000000000..9c93e79f571
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20001228-1.c
@@ -0,0 +1,28 @@
+int foo1(void)
+{
+  union {
+    char a[sizeof (unsigned)];
+    unsigned b;
+  } u;
+  
+  u.b = 0x01;
+  return u.a[0];
+}
+
+int foo2(void)
+{
+  volatile union {
+    char a[sizeof (unsigned)];
+    unsigned b;
+  } u;
+  
+  u.b = 0x01;
+  return u.a[0];
+}
+
+int main(void)
+{
+  if (foo1() != foo2())
+    abort ();
+  exit (0);
+}