1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr120677.c b/gcc/testsuite/gcc.c-torture/execute/pr120677.c
new file mode 100644
index 0000000..3cff04e
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr120677.c
@@ -0,0 +1,31 @@
+/* PR tree-optimization/120677 */
+/* { dg-do run { target int32plus } } */
+
+unsigned a;
+int b, e;
+
+int
+foo (int d)
+{
+  switch (d)
+    {
+    case 0:
+    case 2:
+      return 0;
+    default:
+      return 1;
+    }
+}
+
+int
+main ()
+{
+  for (b = 8; b; b--)
+    if (a & 1)
+      a = a >> 1 ^ 20000000;
+    else
+      a >>= 1;
+  e = foo (0);
+  if (e || a)
+    __builtin_abort ();
+}