From cd44dc59cdfc39534aef4d417e9f3c412e3be139 Mon Sep 17 00:00:00 2001
From: Simon Hausmann <simon.hausmann@nokia.com>
Date: Fri, 3 Feb 2012 09:55:33 +0100
Subject: Imported WebKit commit fce473cb4d55aa9fe9d0b0322a2fffecb731b961
 (http://svn.webkit.org/repository/webkit/trunk@106560)

---
 Source/JavaScriptCore/jit/JITCall.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'Source/JavaScriptCore/jit/JITCall.cpp')

diff --git a/Source/JavaScriptCore/jit/JITCall.cpp b/Source/JavaScriptCore/jit/JITCall.cpp
index 465f1add8..69dc9540e 100644
--- a/Source/JavaScriptCore/jit/JITCall.cpp
+++ b/Source/JavaScriptCore/jit/JITCall.cpp
@@ -50,8 +50,10 @@ namespace JSC {
 void JIT::emit_op_call_put_result(Instruction* instruction)
 {
     int dst = instruction[1].u.operand;
-    emitValueProfilingSite(FirstProfilingSite);
+    emitValueProfilingSite();
     emitPutVirtualRegister(dst);
+    if (canBeOptimized())
+        killLastResultRegister(); // Make lastResultRegister tracking simpler in the DFG.
 }
 
 void JIT::compileLoadVarargs(Instruction* instruction)
-- 
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