src/hydrogen.cc - Issue 9722041: Insert explicit deoptimization for named loads that have "uninitialized" type feedback.

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Unified Diff: src/hydrogen.cc

Issue 9722041: Insert explicit deoptimization for named loads that have "uninitialized" type feedback. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: Created 8 years, 9 months ago

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Index: src/hydrogen.cc

===================================================================

--- src/hydrogen.cc (revision 11076)

+++ src/hydrogen.cc (working copy)

@@ -4523,6 +4523,10 @@

HInstruction* HGraphBuilder::BuildLoadNamedGeneric(HValue* obj,

Property* expr) {

+ if (expr->IsUninitialized()) {

+ AddInstruction(new(zone()) HSoftDeoptimize);

+ current_block()->MarkAsDeoptimizing();

+ }

ASSERT(expr->key()->IsPropertyName());

Handle<Object> name = expr->key()->AsLiteral()->handle();

HValue* context = environment()->LookupContext();

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