[turbofan] Remove bogus constant materialization from frame.

src/compiler/arm/code-generator-arm.cc

Index: src/compiler/arm/code-generator-arm.cc
diff --git a/src/compiler/arm/code-generator-arm.cc b/src/compiler/arm/code-generator-arm.cc
index e9e6621d2cac745cf5d9512289495c93ed415b3a..c4810f3682a7f71e910298a660dea9698951b94e 100644
--- a/src/compiler/arm/code-generator-arm.cc
+++ b/src/compiler/arm/code-generator-arm.cc
@@ -1820,10 +1820,7 @@ void CodeGenerator::AssembleMove(InstructionOperand* source,
         case Constant::kHeapObject: {
           Handle<HeapObject> src_object = src.ToHeapObject();
           Heap::RootListIndex index;
-          int slot;
-          if (IsMaterializableFromFrame(src_object, &slot)) {
-            __ ldr(dst, g.SlotToMemOperand(slot));
-          } else if (IsMaterializableFromRoot(src_object, &index)) {
+          if (IsMaterializableFromRoot(src_object, &index)) {
             __ LoadRoot(dst, index);
           } else {
             __ Move(dst, src_object);