[turbofan] Remove bogus constant materialization from frame.

src/compiler/arm64/code-generator-arm64.cc

Index: src/compiler/arm64/code-generator-arm64.cc
diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc
index 54930c79a61c653f2ae0f2560e263b858b743a50..89df5563e806a2de7ea534ec7b7f7a2af966f22a 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -1936,10 +1936,7 @@ void CodeGenerator::AssembleMove(InstructionOperand* source,
       if (src.type() == Constant::kHeapObject) {
         Handle<HeapObject> src_object = src.ToHeapObject();
         Heap::RootListIndex index;
-        int slot;
-        if (IsMaterializableFromFrame(src_object, &slot)) {
-          __ Ldr(dst, g.SlotToMemOperand(slot, masm()));
-        } else if (IsMaterializableFromRoot(src_object, &index)) {
+        if (IsMaterializableFromRoot(src_object, &index)) {
           __ LoadRoot(dst, index);
         } else {
           __ LoadObject(dst, src_object);