prevent superfluous semi-colons causing whitespace to collapse after functions declarations

src/Module.js

@@ -436,6 +436,8 @@ export default class Module {
 		let commentIndex = 0;
 
 		ast.body.forEach( node => {
+			if ( node.type === 'EmptyStatement' ) return;
+
 			// special case - top-level var declarations with multiple declarators
 			// should be split up. Otherwise, we may end up including code we
 			// don't need, just because an unwanted declarator is included

test/form/spacing-after-function-with-semicolon/_config.js

@@ -0,0 +1,4 @@
+module.exports = {
+	solo: true,
+	description: 'handles superfluous semicolons'
+};

test/form/spacing-after-function-with-semicolon/_expected/amd.js

@@ -0,0 +1,7 @@
+define(function () { 'use strict';
+
+	function x () { return 'x' };
+
+	assert.equal( x(), 'x' );
+
+});

test/form/spacing-after-function-with-semicolon/_expected/cjs.js

@@ -0,0 +1,5 @@
+'use strict';
+
+function x () { return 'x' };
+
+assert.equal( x(), 'x' );

test/form/spacing-after-function-with-semicolon/_expected/es6.js

@@ -0,0 +1,3 @@
+function x () { return 'x' };
+
+assert.equal( x(), 'x' );

test/form/spacing-after-function-with-semicolon/_expected/iife.js

@@ -0,0 +1,7 @@
+(function () { 'use strict';
+
+	function x () { return 'x' };
+
+	assert.equal( x(), 'x' );
+
+})();

test/form/spacing-after-function-with-semicolon/_expected/umd.js

@@ -0,0 +1,11 @@
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? factory() :
+	typeof define === 'function' && define.amd ? define(factory) :
+	factory();
+}(this, function () { 'use strict';
+
+	function x () { return 'x' };
+
+	assert.equal( x(), 'x' );
+
+}));

test/form/spacing-after-function-with-semicolon/main.js

@@ -0,0 +1,3 @@
+function x () { return 'x' };
+
+assert.equal( x(), 'x' );