--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/compare10.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,16 @@
+/* Test for bogus -Wsign-compare warnings that appeared when not
+   folding operands before warning.  */
+/* { dg-do compile } */
+/* { dg-options "-Wsign-compare" } */
+
+int
+test_compare (int a, unsigned b)
+{
+  return (b > 8 * (a ? 4 : 8));
+}
+
+unsigned int
+test_conditional (int a, unsigned b, int c)
+{
+  return (c ? b : 8 * (a ? 4 : 8));
+}