1 files changed, 33 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/ipa/pr63551.c b/gcc-4.9/gcc/testsuite/gcc.dg/ipa/pr63551.c
new file mode 100644
index 000000000..48b020aee
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/ipa/pr63551.c
@@ -0,0 +1,33 @@
+/* { dg-do run } */
+/* { dg-options "-Os" } */
+
+union U
+{
+  unsigned int f0;
+  int f1;
+};
+
+int a, d;
+
+void
+fn1 (union U p)
+{
+  if (p.f1 <= 0)
+    if (a)
+      d = 0;
+}
+
+void
+fn2 ()
+{
+  d = 0;
+  union U b = { 4294967286U };
+  fn1 (b);
+}
+
+int
+main ()
+{
+  fn2 ();
+  return 0;
+}