[strong] Implement static restrictions on direct eval

test/mjsunit/strong/eval-direct.js

Index: test/mjsunit/strong/eval-direct.js
diff --git a/test/mjsunit/strong/eval-direct.js b/test/mjsunit/strong/eval-direct.js
new file mode 100644
index 0000000000000000000000000000000000000000..137ff8d37f1924cdd570354a280e20a9d96eee1d
--- /dev/null
+++ b/test/mjsunit/strong/eval-direct.js
@@ -0,0 +1,19 @@
+// 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.
+
+// Flags: --strong-mode
+
+// In strong mode, direct calls to eval are forbidden
+
+assertThrows("'use strong'; eval();", SyntaxError);
+assertThrows("'use strong'; (eval)();", SyntaxError);
+assertThrows("'use strong'; (((eval)))();", SyntaxError);
+assertThrows("'use strong'; eval([]);", SyntaxError);
+assertThrows("'use strong'; eval('function f() {}');", SyntaxError);
+assertThrows("'use strong'; function f() {eval()}", SyntaxError);
+
+assertDoesNotThrow("'use strong'; eval;");
+assertDoesNotThrow("'use strong'; eval`foo`;");
+assertDoesNotThrow("'use strong'; let foo = eval; foo();");
+assertDoesNotThrow("'use strong'; (1, eval)();");