Merge WebKit at r59636: Update v8 to r4660.

Will build and run with current webkit.

Change-Id: I57bae621fd894da363ba84e1757ad09eb7c502b9
diff --git a/test/mjsunit/mjsunit.status b/test/mjsunit/mjsunit.status
index 47963fe..514d345 100644
--- a/test/mjsunit/mjsunit.status
+++ b/test/mjsunit/mjsunit.status
@@ -48,10 +48,6 @@
 # Skip long running test in debug and allow it to timeout in release mode.
 regress/regress-524: (PASS || TIMEOUT), SKIP if $mode == debug
 
-# Skip experimental liveedit drop frame on non-ia32 architectures.
-# debug-liveedit-check-stack: SKIP if $arch != ia32
-debug-liveedit-check-stack: SKIP
-
 [ $arch == arm ]
 
 # Slow tests which times out in debug mode.
@@ -68,7 +64,19 @@
 # Skip long running test in debug mode on ARM.
 string-indexof-2: PASS, SKIP if $mode == debug
 
+# Stack manipulations in LiveEdit is implemented for ia32 only.
+debug-liveedit-check-stack: SKIP
+
 [ $arch == mips ]
 
+# Stack manipulations in LiveEdit is implemented for ia32 only.
+debug-liveedit-check-stack: SKIP
+
 # Skip all tests on MIPS.
 *: SKIP
+
+[ $arch == x64 ]
+# Stack manipulations in LiveEdit is implemented for ia32 only.
+debug-liveedit-check-stack: SKIP
+
+