Return MaybeHandle from Invoke.

src/jsregexp.h

Index: src/jsregexp.h
diff --git a/src/jsregexp.h b/src/jsregexp.h
index dfd415d5af8ad041a6959016d046b3a9a6a87610..a0b526b6141c8d6dfdd0ee30ce87cd45d904cbff 100644
--- a/src/jsregexp.h
+++ b/src/jsregexp.h
@@ -55,10 +55,10 @@ class RegExpImpl {
 
   // Creates a regular expression literal in the old space.
   // This function calls the garbage collector if necessary.
-  static Handle<Object> CreateRegExpLiteral(Handle<JSFunction> constructor,
-                                            Handle<String> pattern,
-                                            Handle<String> flags,
-                                            bool* has_pending_exception);
+  MUST_USE_RESULT static MaybeHandle<Object> CreateRegExpLiteral(
+      Handle<JSFunction> constructor,
+      Handle<String> pattern,
+      Handle<String> flags);
 
   // Returns a string representation of a regular expression.
   // Implements RegExp.prototype.toString, see ECMA-262 section 15.10.6.4.