Diagnose unused expression results for all statements, just not compound statements.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77631 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/unused-expr.c b/test/Sema/unused-expr.c
index a5e5ec4..c55afea 100644
--- a/test/Sema/unused-expr.c
+++ b/test/Sema/unused-expr.c
@@ -50,4 +50,23 @@
((void)0), y = x;
}
+void t4(int a) {
+ int b = 0;
+
+ if (a)
+ b == 1; // expected-warning{{expression result unused}}
+ else
+ b == 2; // expected-warning{{expression result unused}}
+
+ while (1)
+ b == 3; // expected-warning{{expression result unused}}
+
+ do
+ b == 4; // expected-warning{{expression result unused}}
+ while (1);
+
+ for (;;)
+ b == 5; // expected-warning{{expression result unused}}
+}
+