Bug 1684020: Add TDZCheckCache. r=yulia, a=RyanVM

Differential Revision: https://phabricator.services.mozilla.com/D100787

Bug 1684020: Add TDZCheckCache. r=yulia, a=RyanVM
Differential Revision: https://phabricator.services.mozilla.com/D100787
420a1a63 · André Bargull · ce089244 · 420a1a63
Commit 420a1a63 authored Jan 08, 2021 by André Bargull
--- a/js/src/frontend/BytecodeEmitter.cpp
+++ b/js/src/frontend/BytecodeEmitter.cpp
@@ -4310,6 +4310,8 @@ bool BytecodeEmitter::emitAssignmentOrInit(ParseNodeKind kind, ParseNode* lhs,
 }

 bool BytecodeEmitter::emitShortCircuitAssignment(AssignmentNode* node) {
+  TDZCheckCache tdzCache(this);
+
  JSOp op;
  switch (node->getKind()) {
    case ParseNodeKind::CoalesceAssignExpr: