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Unified Diff: src/compiler/js-typed-lowering.cc

Issue 1584243002: Don't pre-initialise block contexts with holes (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Adapt Turbofan Created 4 years, 11 months ago
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Index: src/compiler/js-typed-lowering.cc
diff --git a/src/compiler/js-typed-lowering.cc b/src/compiler/js-typed-lowering.cc
index a31aa0070c678217d1e4051170d21c7e88f5e217..5e0712a7f1b58bfaab4a677f8dcc6fa5433dcf7f 100644
--- a/src/compiler/js-typed-lowering.cc
+++ b/src/compiler/js-typed-lowering.cc
@@ -2068,7 +2068,7 @@ Reduction JSTypedLowering::ReduceJSCreateBlockContext(Node* node) {
a.Store(AccessBuilder::ForContextSlot(Context::NATIVE_CONTEXT_INDEX),
native_context);
for (int i = Context::MIN_CONTEXT_SLOTS; i < context_length; ++i) {
- a.Store(AccessBuilder::ForContextSlot(i), jsgraph()->TheHoleConstant());
+ a.Store(AccessBuilder::ForContextSlot(i), jsgraph()->UndefinedConstant());
}
RelaxControls(node);
a.FinishAndChange(node);
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