src/ia32/stub-cache-ia32.cc - Issue 9969211: Merged r11286 into 3.9 branch.

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Unified Diff: src/ia32/stub-cache-ia32.cc

Issue 9969211: Merged r11286 into 3.9 branch. (Closed) Base URL: https://v8.googlecode.com/svn/branches/3.9

Patch Set: Created 8 years, 8 months ago

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Index: src/ia32/stub-cache-ia32.cc

diff --git a/src/ia32/stub-cache-ia32.cc b/src/ia32/stub-cache-ia32.cc

index fd267798cf43b664c2591b71705c13cfe4613a3b..5a5afdc7474b50944d0d9183c5b2df0f9d41fff0 100644

--- a/src/ia32/stub-cache-ia32.cc

+++ b/src/ia32/stub-cache-ia32.cc

@@ -746,8 +746,10 @@ void StubCompiler::GenerateStoreField(MacroAssembler* masm,

Label* miss_label) {

// Check that the map of the object hasn't changed.

+ CompareMapMode mode = transition.is_null() ? ALLOW_ELEMENT_TRANSITION_MAPS

+ : REQUIRE_EXACT_MAP;

__ CheckMap(receiver_reg, Handle<Map>(object->map()),

- miss_label, DO_SMI_CHECK, ALLOW_ELEMENT_TRANSITION_MAPS);

+ miss_label, DO_SMI_CHECK, mode);

// Perform global security token check if needed.

if (object->IsJSGlobalProxy()) {

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