diff options
Diffstat (limited to 'js/src/frontend')
| -rw-r--r-- | js/src/frontend/Parser.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/js/src/frontend/Parser.cpp b/js/src/frontend/Parser.cpp index 5cb47f2425..cd586ad2a7 100644 --- a/js/src/frontend/Parser.cpp +++ b/js/src/frontend/Parser.cpp @@ -10949,6 +10949,12 @@ GeneralParser<ParseHandler, Unit>::memberPropertyAccess( if (handler_.isArgumentsName(lhs) && handler_.isLengthName(name)) { MOZ_ASSERT(pc_->numberOfArgumentsNames > 0); pc_->numberOfArgumentsNames--; + // Currently when resuming Generators don't get their argument length set + // in the interpreter frame (see InterpreterStack::resumeGeneratorCallFrame, + // and its call to initCallFrame). + if (pc_->isGeneratorOrAsync()) { + pc_->sc()->setIneligibleForArgumentsLength(); + } return handler_.newArgumentsLength(lhs, name); } |