Add class to existing lexical scoping tests

test/mjsunit/harmony/block-let-semantics-sloppy.js

Index: test/mjsunit/harmony/block-let-semantics-sloppy.js
diff --git a/test/mjsunit/harmony/block-let-semantics-sloppy.js b/test/mjsunit/harmony/block-let-semantics-sloppy.js
index 33fdc45251db68fcd49dfec59723ba8b1d640ada..d8be278c29a1154b3d2bc312861a7ff9a393fc6f 100644
--- a/test/mjsunit/harmony/block-let-semantics-sloppy.js
+++ b/test/mjsunit/harmony/block-let-semantics-sloppy.js
@@ -70,6 +70,7 @@ TestAll('x += 1; let x;');
 TestAll('++x; let x;');
 TestAll('x++; let x;');
 TestAll('let y = x; const x = 1;');
+TestAll('let y = x; class x {}');
 
 TestAll('f(); let x; function f() { return x + 1; }');
 TestAll('f(); let x; function f() { x = 1; }');
@@ -77,6 +78,7 @@ TestAll('f(); let x; function f() { x += 1; }');
 TestAll('f(); let x; function f() { ++x; }');
 TestAll('f(); let x; function f() { x++; }');
 TestAll('f(); const x = 1; function f() { return x; }');
+TestAll('f(); class x { }; function f() { return x; }');
 
 TestAll('f()(); let x; function f() { return function() { return x + 1; } }');
 TestAll('f()(); let x; function f() { return function() { x = 1; } }');
@@ -84,22 +86,23 @@ TestAll('f()(); let x; function f() { return function() { x += 1; } }');
 TestAll('f()(); let x; function f() { return function() { ++x; } }');
 TestAll('f()(); let x; function f() { return function() { x++; } }');
 TestAll('f()(); const x = 1; function f() { return function() { return x; } }');
+TestAll('f()(); class x { }; function f() { return function() { return x; } }');
 
-for (var kw of ['let', 'const']) {
+for (var kw of ['let x = 2', 'const x = 2', 'class x { }']) {
   // Use before initialization with a dynamic lookup.
-  TestAll(`eval("x"); ${kw} x = 2;`);
-  TestAll(`eval("x + 1;"); ${kw} x = 2;`);
-  TestAll(`eval("x = 1;"); ${kw} x = 2;`);
-  TestAll(`eval("x += 1;"); ${kw} x = 2;`);
-  TestAll(`eval("++x;"); ${kw} x = 2;`);
-  TestAll(`eval("x++;"); ${kw} x = 2;`);
+  TestAll(`eval("x"); ${kw};`);
+  TestAll(`eval("x + 1;"); ${kw};`);
+  TestAll(`eval("x = 1;"); ${kw};`);
+  TestAll(`eval("x += 1;"); ${kw};`);
+  TestAll(`eval("++x;"); ${kw};`);
+  TestAll(`eval("x++;"); ${kw};`);
 
   // Use before initialization with check for eval-shadowed bindings.
-  TestAll(`function f() { eval("var y = 2;"); x + 1; }; f(); ${kw} x = 2;`);
-  TestAll(`function f() { eval("var y = 2;"); x = 1; }; f(); ${kw} x = 2;`);
-  TestAll(`function f() { eval("var y = 2;"); x += 1; }; f(); ${kw} x = 2;`);
-  TestAll(`function f() { eval("var y = 2;"); ++x; }; f(); ${kw} x = 2;`);
-  TestAll(`function f() { eval("var y = 2;"); x++; }; f(); ${kw} x = 2;`);
+  TestAll(`function f() { eval("var y = 2;"); x + 1; }; f(); ${kw};`);
+  TestAll(`function f() { eval("var y = 2;"); x = 1; }; f(); ${kw};`);
+  TestAll(`function f() { eval("var y = 2;"); x += 1; }; f(); ${kw};`);
+  TestAll(`function f() { eval("var y = 2;"); ++x; }; f(); ${kw};`);
+  TestAll(`function f() { eval("var y = 2;"); x++; }; f(); ${kw};`);
 }
 
 // Test that variables introduced by function declarations are created and