Do not skip non empty block statements

src/ast/nodes/BlockStatement.js

@@ -46,4 +46,14 @@ export default class BlockStatement extends Statement {
 			lastNode = node;
 		}
 	}
+
+	render ( code, es ) {
+		if (this.body.length) {
+			for ( const node of this.body ) {
+				node.render( code, es );
+			}
+		} else {
+			Statement.prototype.render.call(this, code, es);
+		}
+	}
 }

test/form/non-empty-block-statement/_config.js

@@ -0,0 +1,3 @@
+module.exports = {
+	description: 'removes an empty block statement'
+};

test/form/non-empty-block-statement/_expected/amd.js

@@ -0,0 +1,9 @@
+define(function () { 'use strict';
+
+	console.log( 1 );
+	{
+		var tmp = 10;
+	}
+	console.log( tmp );
+
+});

test/form/non-empty-block-statement/_expected/cjs.js

@@ -0,0 +1,7 @@
+'use strict';
+
+console.log( 1 );
+{
+	var tmp = 10;
+}
+console.log( tmp );

test/form/non-empty-block-statement/_expected/es.js

@@ -0,0 +1,5 @@
+console.log( 1 );
+{
+	var tmp = 10;
+}
+console.log( tmp );

test/form/non-empty-block-statement/_expected/iife.js

@@ -0,0 +1,10 @@
+(function () {
+	'use strict';
+
+	console.log( 1 );
+	{
+		var tmp = 10;
+	}
+	console.log( tmp );
+
+}());

test/form/non-empty-block-statement/_expected/umd.js

@@ -0,0 +1,13 @@
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? factory() :
+	typeof define === 'function' && define.amd ? define(factory) :
+	(factory());
+}(this, (function () { 'use strict';
+
+	console.log( 1 );
+	{
+		var tmp = 10;
+	}
+	console.log( tmp );
+
+})));

test/form/non-empty-block-statement/main.js

@@ -0,0 +1,5 @@
+console.log( 1 );
+{
+	var tmp = 10;
+}
+console.log( tmp );