Parse arrow functions at proper precedence level

src/interpreter/bytecode-generator.cc

Index: src/interpreter/bytecode-generator.cc
diff --git a/src/interpreter/bytecode-generator.cc b/src/interpreter/bytecode-generator.cc
index 9cce681ad4ac79119ec701907df4813d156b3d60..4fa1d82181fcbe11fe535037df274e714cc3b323 100644
--- a/src/interpreter/bytecode-generator.cc
+++ b/src/interpreter/bytecode-generator.cc
@@ -335,6 +335,11 @@ void BytecodeGenerator::VisitCompareOperation(CompareOperation* node) {
 void BytecodeGenerator::VisitSpread(Spread* node) { UNIMPLEMENTED(); }
 
 
+void BytecodeGenerator::VisitEmptyParentheses(EmptyParentheses* node) {
+  UNIMPLEMENTED();

[rossberg, 2015/08/25 12:55:56]

Nit: This should probably be UNREACHABLE (same for Spread)

+}
+
+
 void BytecodeGenerator::VisitThisFunction(ThisFunction* node) {
   UNIMPLEMENTED();
 }