Fix not throwing error when redefine eval or arguments in strict mode.

test/mjsunit/strict-mode-eval.js

Index: test/mjsunit/strict-mode-eval.js
diff --git a/test/mjsunit/strict-mode-eval.js b/test/mjsunit/strict-mode-eval.js
index 391daaa37c6fdb996faa8878492c2eea4ed2abc3..e0722552cecdbe07fb59d5edd0911e136af3f168 100644
--- a/test/mjsunit/strict-mode-eval.js
+++ b/test/mjsunit/strict-mode-eval.js
@@ -31,6 +31,7 @@ var code1 = "function f(eval) {}";
 var code2 = "function f(a, a) {}";
 var code3 = "var x = '\\020;'";
 var code4 = "function arguments() {}";
+var code5 = "(() => { function a({ eval = false } = {}) {} })()";

[adamk, 2016/07/28 18:33:44]

Is the outer arrow function an important part of this test case?

 
 // Verify the code compiles just fine in non-strict mode
 // (using aliased eval to force non-strict mode)
@@ -80,6 +81,18 @@ function strict1() {
           assertInstanceof(e, SyntaxError);
         }
         assertTrue(exception);
+
+        function strict5() {
+          var exception = false;
+          try {
+            eval(code5);
+          } catch (e) {
+            exception = true;
+            assertInstanceof(e, SyntaxError);
+          }
+          assertTrue(exception);
+        }
+        strict5();
       }
       strict4();
     }