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authorwolfbeast <mcwerewolf@wolfbeast.com>2020-02-27 20:09:26 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-02-27 20:09:26 +0100
commitae8eb4d4c42d96c264d5036e1c50e8c1d0d55425 (patch)
tree061997488fc462caeae817e6547d3a30351c8a8d /js/src/frontend/FoldConstants.cpp
parent793da7dd6238ce156e29c71304e24b2c05edc11d (diff)
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Issue #1465 - Implement optional catch binding.
Diffstat (limited to 'js/src/frontend/FoldConstants.cpp')
-rw-r--r--js/src/frontend/FoldConstants.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/js/src/frontend/FoldConstants.cpp b/js/src/frontend/FoldConstants.cpp
index 16294c4a8..b460b92b6 100644
--- a/js/src/frontend/FoldConstants.cpp
+++ b/js/src/frontend/FoldConstants.cpp
@@ -1260,9 +1260,10 @@ FoldCatch(ExclusiveContext* cx, ParseNode* node, Parser<FullParseHandler>& parse
MOZ_ASSERT(node->isKind(PNK_CATCH));
MOZ_ASSERT(node->isArity(PN_TERNARY));
- ParseNode*& declPattern = node->pn_kid1;
- if (!Fold(cx, &declPattern, parser, inGenexpLambda))
- return false;
+ if (ParseNode*& declPattern = node->pn_kid1) {
+ if (!Fold(cx, &declPattern, parser, inGenexpLambda))
+ return false;
+ }
if (ParseNode*& cond = node->pn_kid2) {
if (!FoldCondition(cx, &cond, parser, inGenexpLambda))