1 files changed, 16 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr51247.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr51247.c
new file mode 100644
index 000000000..16aa7f04b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr51247.c
@@ -0,0 +1,16 @@
+/* PR tree-optimization/51247 */
+
+struct S { int s : 1; };
+int a;
+
+void
+foo (int x, int y)
+{
+  struct S s;
+  s.s = !!y;
+  while (1)
+    {
+      unsigned l = 94967295;
+      a = x || (s.s &= l);
+    }
+}