Unifying the handling of storing and loading from safepoint stack

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 7aec20637b32d20eb47dfd06edf5ba77b90e5b7a..5e4387f85ac65d381f562db7125a67b5a87bf598 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -3710,7 +3710,7 @@ void InstanceofStub::Generate(MacroAssembler* masm) {
 
     // The offset was stored in r4 safepoint slot.
     // (See LCodeGen::DoDeferredLInstanceOfKnownGlobal)
-    __ ldr(scratch, MacroAssembler::SafepointRegisterSlot(r4));
+    __ LoadFromSafepointRegisterSlot(scratch, r4);
     __ sub(inline_site, lr, scratch);
     // Get the map location in scratch and patch it.
     __ GetRelocatedValueLocation(inline_site, scratch);