fix(parser): minor tweaks

meriyah · May 26, 2019 · 7080dee · 7080dee
1 parent a205210
commit 7080dee
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/src/parser.ts b/src/parser.ts
@@ -2648,7 +2648,9 @@ export function parsePrimaryExpressionExtended(
       if (IsEvalOrArguments) {
         if (context & Context.Strict) report(parser, Errors.StrictEvalArguments);
         parser.flags |= Flags.SimpleParameterList;
-      } else parser.flags = (parser.flags | Flags.SimpleParameterList) ^ Flags.SimpleParameterList;
+      } else {
+        parser.flags &= ~Flags.SimpleParameterList;
+      }
       if (!assignable) report(parser, Errors.InvalidAssignmentTarget);
 
       return parseArrowFunctionExpression(parser, context, [expr], /* isAsync */ 0);
@@ -4167,7 +4169,7 @@ export function parseMethodFormals(
   //   BindingElement[?Yield, ?GeneratorParameter]
   consume(parser, context, Token.LeftParen);
   const params: ESTree.Expression[] = [];
-  parser.flags = (parser.flags | Flags.SimpleParameterList) ^ Flags.SimpleParameterList;
+  parser.flags &= ~Flags.SimpleParameterList;
   let setterArgs = 0;
 
   if (parser.token === Token.RightParen) {

diff --git a/test/test262-parser-tests/parser-tests.ts b/test/test262-parser-tests/parser-tests.ts
@@ -39,6 +39,7 @@ const expectations = {
     'e4a43066905a597b.js',
     'f872cf801765a723.js',
     'bf49ec8d96884562.js',
+    'fd2a45941e114896.js',
     '8af69d8f15295ed2.js',
     '84633c379e4010bf.js',
     '7fc173197c3cc75d.js',