1 files changed, 46 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr51528.c b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr51528.c
new file mode 100644
index 000000000..db5f3e0ca
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr51528.c
@@ -0,0 +1,46 @@
+/* { dg-do run } */
+/* { dg-options "-fno-early-inlining" } */
+
+extern void abort (void);
+
+union U
+{
+  int i;
+  _Bool b;
+};
+
+_Bool gb;
+
+void  __attribute__ ((noinline))
+use_bool (union U u)
+{
+  gb = u.b;
+}
+
+union U
+bar (void)
+{
+  union U u;
+  u.i = 0xFFFE;
+  return u;
+}
+
+union U  __attribute__ ((noinline))
+foo (void)
+{
+  union U u,v;
+
+  u.b = 1;
+  use_bool (u);
+  u = bar ();
+
+  return u;
+}
+
+int main (int argc, char **argv)
+{
+  union U u = foo ();
+  if (u.i != 0xFFFE)
+    abort ();
+  return 0;
+}