Properly thread language mode to compilation cache

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index ffeea82a6b9147822f081eb7649200c5fc1e16f3..e1287088b3495cee1bcc698527f4754c0e70b63a 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -8077,14 +8077,16 @@ class CompilationCacheTable: public HashTable<CompilationCacheTable,
                                               HashTableKey*> {
  public:
   // Find cached value for a string key, otherwise return null.
-  Handle<Object> Lookup(Handle<String> src, Handle<Context> context);
-  Handle<Object> LookupEval(Handle<String> src,
-                            Handle<SharedFunctionInfo> shared,
-                            LanguageMode language_mode, int scope_position);
+  Handle<Object> Lookup(
+      Handle<String> src, Handle<Context> context, LanguageMode language_mode);
+  Handle<Object> LookupEval(
+      Handle<String> src, Handle<SharedFunctionInfo> shared,
+      LanguageMode language_mode, int scope_position);
   Handle<Object> LookupRegExp(Handle<String> source, JSRegExp::Flags flags);
   static Handle<CompilationCacheTable> Put(
       Handle<CompilationCacheTable> cache, Handle<String> src,
-      Handle<Context> context, Handle<Object> value);
+      Handle<Context> context, LanguageMode language_mode,
+      Handle<Object> value);
   static Handle<CompilationCacheTable> PutEval(
       Handle<CompilationCacheTable> cache, Handle<String> src,
       Handle<SharedFunctionInfo> context, Handle<SharedFunctionInfo> value,