Reland "[parser] Forbid \08 in strict strings"

test/mjsunit/es6/templates.js

Index: test/mjsunit/es6/templates.js
diff --git a/test/mjsunit/es6/templates.js b/test/mjsunit/es6/templates.js
index 3c4584d33799a7cacb545c942ebbfac8f2d1a648..efe314ed95f29969d0024bb26518c00a977ee394 100644
--- a/test/mjsunit/es6/templates.js
+++ b/test/mjsunit/es6/templates.js
@@ -476,7 +476,7 @@ var obj = {
 (function testLegacyOctal() {
   assertEquals('\u0000', `\0`);
   assertEquals('\u0000a', `\0a`);
-  for (var i = 0; i < 8; i++) {
+  for (var i = 0; i < 10; i++) {
     var code = "`\\0" + i + "`";
     assertThrows(code, SyntaxError);
     code = "(function(){})" + code;
@@ -502,8 +502,6 @@ var obj = {
 (function testValidNumericEscapes() {
   assertEquals("8", `\8`);
   assertEquals("9", `\9`);
-  assertEquals("\u00008", `\08`);
-  assertEquals("\u00009", `\09`);
 })();