Use slot instead of value in the write barrier to record write from code.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 2c2589cf3c9efe0ae0c2ba0677df6f824c93e192..5374b36b4888737a21ecbe60483858a45a42deea 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -7381,12 +7381,7 @@ void RecordWriteStub::InformIncrementalMarker(MacroAssembler* masm, Mode mode) {
   ASSERT(!address.is(r0));
   __ Move(address, regs_.address());
   __ Move(r0, regs_.object());
-  if (mode == INCREMENTAL_COMPACTION) {
-    __ Move(r1, address);
-  } else {
-    ASSERT(mode == INCREMENTAL);
-    __ ldr(r1, MemOperand(address, 0));
-  }
+  __ Move(r1, address);
   __ mov(r2, Operand(ExternalReference::isolate_address()));
 
   AllowExternalCallThatCantCauseGC scope(masm);