commit dbeeff356de6a1645f0f0cf33bfef1e393679ca5
author fpizlo@apple.com <fpizlo@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> Wed Jul 24 04:51:57 2013 +0000
committer fpizlo@apple.com <fpizlo@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> Wed Jul 24 04:51:57 2013 +0000
tree e8eb13295be1581547259458cab1d8c25171991f
parent 701654703fb914120b9ee58c2022cb2c08a5e5e6

DFG string concatenation optimizations might emit speculative nodes after emitting nodes that kill the original inputs
https://bugs.webkit.org/show_bug.cgi?id=119032

Reviewed by Oliver Hunt.

Source/JavaScriptCore: 

It just needs some Phantom action.

* dfg/DFGFixupPhase.cpp:
(JSC::DFG::FixupPhase::attemptToMakeFastStringAdd):

LayoutTests: 

* fast/js/dfg-strcat-over-objects-then-exit-on-it-expected.txt: Added.
* fast/js/dfg-strcat-over-objects-then-exit-on-it.html: Added.
* fast/js/script-tests/dfg-strcat-over-objects-then-exit-on-it.js: Added.
(foo):
(bar):
(x):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@153075 268f45cc-cd09-0410-ab3c-d52691b4dbfc