[arm64] Fix the GetStackPointer stub to return the C stack pointer.

runtime/vm/stub_code_mips.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_MIPS)
 
 #include "vm/assembler.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
@@ skipping 1982 matching lines @@
 // A2: function type arguments (can be raw_null).
 // A3: SubtypeTestCache.
 // Result in V0: null -> not found, otherwise result (true or false).
 void StubCode::GenerateSubtype4TestCacheStub(Assembler* assembler) {
   GenerateSubtypeNTestCacheStub(assembler, 4);
 }
 
 
 // Return the current stack pointer address, used to stack alignment
 // checks.
-void StubCode::GenerateGetStackPointerStub(Assembler* assembler) {
+void StubCode::GenerateGetCStackPointerStub(Assembler* assembler) {
   __ Ret();
   __ delay_slot()->mov(V0, SP);
 }
 
 
 // Jump to the exception or error handler.
 // RA: return address.
 // A0: program_counter.
 // A1: stack_pointer.
 // A2: frame_pointer.
@@ skipping 435 matching lines @@
 }
 
 
 void StubCode::GenerateAsynchronousGapMarkerStub(Assembler* assembler) {
   __ break_(0);
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS