[turbofan, arm64] Fix native stack parameters on arm64.

src/arm64/macro-assembler-arm64.cc

Index: src/arm64/macro-assembler-arm64.cc
diff --git a/src/arm64/macro-assembler-arm64.cc b/src/arm64/macro-assembler-arm64.cc
index c3738700c0d7796a412945b133cc7540523b6da8..d1e4106dabe8d720c51ea6770bf489c40e65c4ea 100644
--- a/src/arm64/macro-assembler-arm64.cc
+++ b/src/arm64/macro-assembler-arm64.cc
@@ -2634,14 +2634,13 @@ void MacroAssembler::TruncateHeapNumberToI(Register result,
 
 
 void MacroAssembler::StubPrologue() {
-  DCHECK(StackPointer().Is(jssp));
   UseScratchRegisterScope temps(this);
   Register temp = temps.AcquireX();
   __ Mov(temp, Smi::FromInt(StackFrame::STUB));
   // Compiled stubs don't age, and so they don't need the predictable code
   // ageing sequence.
   __ Push(lr, fp, cp, temp);
-  __ Add(fp, jssp, StandardFrameConstants::kFixedFrameSizeFromFp);
+  __ Add(fp, StackPointer(), StandardFrameConstants::kFixedFrameSizeFromFp);
 }