[strong] Disallow implicit conversions for binary arithmetic operations

test/cctest/compiler/test-js-context-specialization.cc

Index: test/cctest/compiler/test-js-context-specialization.cc
diff --git a/test/cctest/compiler/test-js-context-specialization.cc b/test/cctest/compiler/test-js-context-specialization.cc
index e2cb8e6ac94ec8b8b3520e8eb0f1c980fbb3bcb5..76f418f41c7197da59709e545c6bcb98d443d914 100644
--- a/test/cctest/compiler/test-js-context-specialization.cc
+++ b/test/cctest/compiler/test-js-context-specialization.cc
@@ -183,7 +183,7 @@ static void CheckEffectInput(Node* effect, Node* use) {
 }
 
 
-TEST(SpecializeToContext) {
+TEST_WITH_STRONG(SpecializeToContext) {
   ContextSpecializationTester t;
 
   Node* start = t.NewNode(t.common()->Start(0));
@@ -214,8 +214,8 @@ TEST(SpecializeToContext) {
     Node* other_use =
         t.NewNode(t.simplified()->ChangeTaggedToInt32(), other_load);
 
-    Node* add = t.NewNode(t.javascript()->Add(), value_use, other_use,
-                          param_context, other_load, start);
+    Node* add = t.NewNode(t.javascript()->Add(language_mode), value_use,
+                          other_use, param_context, other_load, start);
 
     Node* ret = t.NewNode(t.common()->Return(), add, effect_use, start);
     Node* end = t.NewNode(t.common()->End(), ret);