1 files changed, 19 insertions, 0 deletions
diff --git a/clang/test/Sema/unused-expr.c b/clang/test/Sema/unused-expr.c
index a5e5ec4e149..c55afeadc45 100644
--- a/clang/test/Sema/unused-expr.c
+++ b/clang/test/Sema/unused-expr.c
@@ -50,4 +50,23 @@ void nowarn(unsigned char* a, unsigned char* b)
   ((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}}
+}
+