Move ParsePostfixExpression into 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 cb8802bd7d7e8c717e296052fd2fe67922adf31c..2f0684156dc69d53ea2e5e452146972421d93985 100644
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -2528,7 +2528,7 @@ TEST(StrictDelete) {
 }
 
 
-TEST(ErrorInvalidLeftHandSide) {
+TEST(InvalidLeftHandSide) {
   const char* assignment_context_data[][2] = {
     // {"", " = 1;"},
     // {"\"use strict\"; ", " = 1;"},
@@ -2593,6 +2593,5 @@ TEST(ErrorInvalidLeftHandSide) {
   RunParserSyncTest(prefix_context_data, bad_statement_data_common, kError);
 
   RunParserSyncTest(postfix_context_data, good_statement_data, kSuccess);
-  // TODO(marja): This doesn't work yet.
-  // RunParserSyncTest(postfix_context_data, bad_statement_data_common, kError);
+  RunParserSyncTest(postfix_context_data, bad_statement_data_common, kError);
 }