Fix for assertion failure on kraken on ARM (Issue 1923).

BUG=http://code.google.com/p/v8/issues/detail?id=1923
TEST=none

Review URL: https://chromiumcodereview.appspot.com/9264039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10570 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/lithium-codegen-arm.cc

@@ -3840,7 +3840,6 @@ void LCodeGen::DoDeferredNumberTagI(LNumberTagI* instr) {
   // register is stored, as this register is in the pointer map, but contains an
   // integer value.
   __ mov(ip, Operand(0));
-  __ StoreToSafepointRegisterSlot(ip, src);
   __ StoreToSafepointRegisterSlot(ip, dst);
   CallRuntimeFromDeferred(Runtime::kAllocateHeapNumber, 0, instr);
   __ Move(dst, r0);