Added to test case for "self-comparison check" uses of relation operators: x < x and x > x

should emit warnings.

llvm-svn: 43451

clang/test/Sema/self-comparison.c

@@ -8,10 +8,18 @@ int foo2(int x) {
   return (x) != (((x))); // expected-warning {{self-comparison always results}}
 }
 
+int qux(int x) {
+   return x < x; // expected-warning {{self-comparison}}
+}
+
+int qux2(int x) {
+   return x > x; // expected-warning {{self-comparison}}
+}
+
 int bar(float x) {
   return x == x; // no-warning
 }
 
 int bar2(float x) {
   return x != x; // no-warning
-}
+}