Remove fixed contant pool entries by caching some global constants in Thread

runtime/vm/assembler_arm64.h

Index: runtime/vm/assembler_arm64.h
diff --git a/runtime/vm/assembler_arm64.h b/runtime/vm/assembler_arm64.h
index 02eb294874139bd2410a03ffcbf2e2cd39888f14..3682ab13deca13b3930c927d5b36abd3c555d78a 100644
--- a/runtime/vm/assembler_arm64.h
+++ b/runtime/vm/assembler_arm64.h
@@ -1311,7 +1311,7 @@ class Assembler : public ValueObject {
   void LoadWordFromPoolOffset(Register dst, Register pp, uint32_t offset);
   void LoadWordFromPoolOffsetFixed(Register dst, Register pp, uint32_t offset);
   intptr_t FindImmediate(int64_t imm);
-  bool CanLoadObjectFromPool(const Object& object);
+  bool CanLoadFromObjectPool(const Object& object);
   bool CanLoadImmediateFromPool(int64_t imm, Register pp);
   void LoadExternalLabel(Register dst, const ExternalLabel* label,
                          Patchability patchable, Register pp);