(Pre)Parser: Move ParsePrimaryExpression to ParserBase.

test/cctest/test-parsing.cc

Index: test/cctest/test-parsing.cc
diff --git a/test/cctest/test-parsing.cc b/test/cctest/test-parsing.cc
index 3d8fc39fcc2d26c828ecc393217c73d1ca33a4eb..5de0ebae2afc02a64cedef39451ef4a140580509 100644
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -1391,7 +1391,7 @@ void RunParserSyncTest(const char* context_data[][2],
 
   static const ParserFlag flags[] = {
     kAllowLazy, kAllowHarmonyScoping, kAllowModules, kAllowGenerators,
-    kAllowForOf
+    kAllowForOf, kAllowNativesSyntax
   };
   for (int i = 0; context_data[i][0] != NULL; ++i) {
     for (int j = 0; statement_data[j] != NULL; ++j) {
@@ -2046,3 +2046,20 @@ TEST(NoErrorsRegexpLiteral) {
 
   RunParserSyncTest(context_data, statement_data, kSuccess);
 }
+
+
+TEST(Intrinsics) {
+  const char* context_data[][2] = {
+    {"", ""},
+    { NULL, NULL }
+  };
+
+  const char* statement_data[] = {
+    "%someintrinsic(arg)",
+    NULL
+  };
+
+  // Parsing will fail or succeed depending on whether we allow natives syntax
+  // or not.
+  RunParserSyncTest(context_data, statement_data, kSuccessOrError);
+}