Bind calls to ES6 constructors

src/ast/nodes/ClassBody.js

@@ -1,6 +1,12 @@
 import Node from '../Node';
 
 export default class ClassBody extends Node {
+	bindCallAtPath ( path, callOptions ) {
+		if ( path.length === 0 && this.classConstructor ) {
+			this.classConstructor.bindCallAtPath( path, callOptions );
+		}
+	}
+
 	hasEffectsWhenCalledAtPath ( path, callOptions, options ) {
 		if ( path.length > 0 ) {
 			return true;

src/ast/nodes/MethodDefinition.js

@@ -1,14 +1,18 @@
 import Node from '../Node';
 
 export default class MethodDefinition extends Node {
+	bindCallAtPath ( path, callOptions ) {
+		if ( path.length === 0 ) {
+			this.value.bindCallAtPath( path, callOptions );
+		}
+	}
+
 	hasEffects ( options ) {
 		return this.key.hasEffects( options );
 	}
 
 	hasEffectsWhenCalledAtPath ( path, callOptions, options ) {
-		if ( path.length > 0 ) {
-			return true;
-		}
-		return this.value.hasEffectsWhenCalledAtPath( [], callOptions, options );
+		return path.length > 0
+			|| this.value.hasEffectsWhenCalledAtPath( [], callOptions, options );
 	}
 }

src/ast/nodes/shared/ClassNode.js

@@ -2,6 +2,11 @@ import Node from '../../Node.js';
 import Scope from '../../scopes/Scope';
 
 export default class ClassNode extends Node {
+	bindCallAtPath ( path, callOptions ) {
+		this.body.bindCallAtPath( path, callOptions );
+		this.superClass && this.superClass.bindCallAtPath( path, callOptions );
+	}
+
 	hasEffectsWhenAccessedAtPath ( path ) {
 		return path.length > 1;
 	}

test/function/samples/associate-es6-constructor-parameter-mutations/_config.js

@@ -0,0 +1,8 @@
+var assert = require( 'assert' );
+
+module.exports = {
+	description: 'Associates ES5 constructor parameters with their call arguments',
+	exports: function ( exports ) {
+		assert.equal( exports.bar, 'present' );
+	}
+};

test/function/samples/associate-es6-constructor-parameter-mutations/main.js

@@ -0,0 +1,13 @@
+const foo = { mightBeExported: {} };
+const exported = {};
+
+class AssignExported {
+	constructor ( obj ) {
+		obj.mightBeExported = exported;
+	}
+}
+
+const bar = new AssignExported( foo );
+foo.mightBeExported.bar = 'present';
+
+export default exported;