Block-scoped functions in evals are now only conditionally hoisted out.

test/mjsunit/es6/block-sloppy-function.js

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Test Annex B 3.3 semantics for functions declared in blocks in sloppy mode.
 // http://www.ecma-international.org/ecma-262/6.0/#sec-block-level-function-declarations-web-legacy-compatibility-semantics
 
 (function overridingLocalFunction() {
   var x = [];
   assertEquals('function', typeof f);
@@ skipping 520 matching lines @@
     }
     assertEquals(1, evalInFunctionHoisted());
   `);
 }();
 
 let dontHoistGlobal;
 { function dontHoistGlobal() {} }
 assertEquals(undefined, dontHoistGlobal);
 
 let dontHoistEval;
-// BUG(v8:) This shouldn't hoist and shouldn't throw
 var throws = false;
 try {
   eval("{ function dontHoistEval() {} }");
 } catch (e) {
   throws = true;
 }
-assertTrue(throws);
+assertFalse(throws);
 
 // When the global object is frozen, silently don't hoist
 // Currently this actually throws BUG(v8:4452)
 Object.freeze(this);
-throws = false;
-try {
-  eval('{ function hoistWhenFrozen() {} }');
-} catch (e) {
-  throws = true;
+{
+  let throws = false;
+  try {
+    eval('{ function hoistWhenFrozen() {} }');
+  } catch (e) {
+    throws = true;
+  }
+  assertFalse(this.hasOwnProperty("hoistWhenFrozen"));
+  assertThrows(() => hoistWhenFrozen, ReferenceError);
+  // Should be assertFalse BUG(v8:4452)
+  assertTrue(throws);
 }
-assertFalse(this.hasOwnProperty("hoistWhenFrozen"));
-assertThrows(() => hoistWhenFrozen, ReferenceError);
-// Should be assertFalse BUG(v8:4452)
-assertTrue(throws);