src/runtime.cc - Issue 7237004: Trim fast elements tail on significant length decreases.

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Unified Diff: src/runtime.cc

Issue 7237004: Trim fast elements tail on significant length decreases. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 9 years, 6 months ago

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Index: src/runtime.cc

diff --git a/src/runtime.cc b/src/runtime.cc

index 32d25179233275c62ff07d5592d1dfabd2d75e77..f11d745d8f8fc258076653877dd57022b48d414d 100644

--- a/src/runtime.cc

+++ b/src/runtime.cc

@@ -3532,7 +3532,8 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_RegExpExecMultiple) {

if (result_array->HasFastElements()) {

result_elements =

Handle<FixedArray>(FixedArray::cast(result_array->elements()));

- } else {

+ }

+ if (result_elements.is_null() || result_elements->length() < 16) {

Mads Ager (chromium) 2011/06/23 06:37:04 Is this an unrelated change?

Mads Ager (chromium) 2011/06/23 08:54:08 Nevermind, just read the change description. :-)

result_elements = isolate->factory()->NewFixedArrayWithHoles(16);

}

FixedArrayBuilder builder(result_elements);

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