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Unified Diff: src/hydrogen-instructions.h

Issue 16126002: Always deoptimize on undefined if a double value implicitly gets converted. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 7 months ago
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Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 5d4b90a5bc5c4e70f1389d3bc7a1d01e6d088721..6fbfd15f388054854e9b39a25faac0ffa7456dfd 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -1718,9 +1718,7 @@ class HChange: public HUnaryOperation {
ASSERT(!value->representation().Equals(to));
set_representation(to);
SetFlag(kUseGVN);
- if (deoptimize_on_undefined || to.IsTagged()) {
- SetFlag(kDeoptimizeOnUndefined);
- }
+ if (deoptimize_on_undefined) SetFlag(kDeoptimizeOnUndefined);
if (is_truncating) SetFlag(kTruncatingToInt32);
if (value->representation().IsSmi() || value->type().IsSmi()) {
set_type(HType::Smi());
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