Bug 1506554 part 4 - Remove an unnecessary ensureHasTypes call in DebugEnvironmentProxyHandler::handleUnaliasedAccess. r=bhackett

Differential Revision: https://phabricator.services.mozilla.com/D11627

--HG--
extra : amend_source : 6b67a55e99ea0e29aec3606dd27aeea5750a9eeb

js/src/vm/EnvironmentObject.cpp

@@ -1598,8 +1598,7 @@ class DebugEnvironmentProxyHandler : public BaseProxyHandler
             CallObject& callobj = env->as<CallObject>();
             RootedFunction fun(cx, &callobj.callee());
             RootedScript script(cx, JSFunction::getOrCreateScript(cx, fun));
-            AutoKeepTypeScripts keepTypes(cx);
+            if (!script->ensureHasAnalyzedArgsUsage(cx)) {
-            if (!script->ensureHasTypes(cx, keepTypes) || !script->ensureHasAnalyzedArgsUsage(cx)) {
                 return false;
             }