fix(parser): fixed a few edgy cases

package.json

@@ -1,6 +1,6 @@
 {
   "name": "meriyah",
-  "version": "1.6.6",
+  "version": "1.6.7",
   "description": "A 100% compliant, self-hosted javascript parser with high focus on both performance and stability",
   "main": "dist/meriyah.umd.js",
   "module": "dist/meriyah.esm.js",

src/lexer/identifier.ts

@@ -84,7 +84,12 @@ export function scanIdentifierSlowCase(
         ? Token.EscapedFutureReserved
         : Token.EscapedReserved;
     }
-
+    if (
+      context & Context.AllowEscapedKeyword &&
+      (context & Context.InGlobal) === 0 &&
+      (token & Token.Reserved) === Token.Reserved
+    )
+      return token;
     if (token === Token.YieldKeyword) {
       return context & Context.AllowEscapedKeyword
         ? Token.AnyIdentifier

src/meriyah.ts

@@ -26,4 +26,4 @@ export function parse(source: string, options?: Options): ESTree.Program {
 export { Options, ESTree };
 
 // Export current version
-export const version = '1.6.6';
+export const version = '1.6.7';

src/parser.ts

@@ -6698,7 +6698,7 @@ export function parseParenthesizedExpression(
 
   const scope = context & Context.OptionsLexical ? addChildScope(createScope(), ScopeKind.ArrowParams) : void 0;
 
-  context = (context | Context.DisallowIn) ^ Context.DisallowIn;
+  context = (context | Context.DisallowIn | Context.InGlobal) ^ (Context.InGlobal | Context.DisallowIn);
 
   if (consumeOpt(parser, context, Token.RightParen)) {
     // Not valid expression syntax, but this is valid in an arrow function

test/parser/miscellaneous/escaped-keyword.ts

@@ -9,6 +9,8 @@ describe('Miscellaneous - Escaped keywords', () => {
     'var impl\\u0065ments = 1;',
     'var { impl\\u0065ments  } = {};',
     '(\\u0069nterface = 1);',
+    '({ def\\u0061ult: 0 })',
+    '({ def\\u{61}ult: 0 })',
     'var int\\u0065rface = 1;',
     'var { int\\u0065rface  } = {};',
     '(p\\u0061ckage = 1);',