fixed #1731

lib/dependencies/HarmonyExportDependencyParserPlugin.js

@@ -34,8 +34,8 @@ module.exports = AbstractPlugin.create({
 	},
 	"export declaration": function() {},
 	"export specifier": function(statement, id, name) {
-		var immutable = isImmutableStatement(statement.declaration);
-		var hoisted = isHoistedStatement(statement.declaration);
+		var immutable = statement.declaration && isImmutableStatement(statement.declaration);
+		var hoisted = statement.declaration && isHoistedStatement(statement.declaration);
 		var dep = new HarmonyExportSpecifierDependency(this.state.module, id, name, hoisted ? 0 : (statement.range[1] + 0.5), immutable);
 		dep.loc = statement.loc;
 		this.state.current.addDependency(dep);

test/cases/parsing/harmony/index.js

@@ -12,9 +12,12 @@ import { a as rea, b as reb, c as rec, o as reo, two as retwo } from "reexport";
 
 import threeIsOdd, { even } from "circularEven";
 
+import { specA, specB } from "exports-specifier";
+
 import Thing, { Other } from "commonjs";
 import Thing2, { Other as Other2 } from "commonjs-trans";
 
+
 it("should import an identifier from a module", function() {
 	a.should.be.eql("a");
 	B.should.be.eql("b");
@@ -56,6 +59,11 @@ it("should support circular dependencies", function() {
 	even(4).should.be.eql(true);
 });
 
+it("should support export specifier", function() {
+	specA.should.be.eql(1);
+	specB.should.be.eql(2);
+});
+
 it("should be able to import commonjs", function() {
 	function x() { throw new Error("should not be executed"); }
 	// next line doesn't end with semicolon