[turbofan] Ensure that JS -> WASM calls align the csp on arm64

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

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/arm64/frames-arm64.h"
 #include "src/arm64/macro-assembler-arm64.h"
 #include "src/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
@@ skipping 915 matching lines @@
     case kArm64TestAndBranch32:
     case kArm64TestAndBranch:
       // Pseudo instructions turned into tbz/tbnz in AssembleArchBranch.
       break;
     case kArm64CompareAndBranch32:
       // Pseudo instruction turned into cbz/cbnz in AssembleArchBranch.
       break;
     case kArm64ClaimCSP: {
       int count = i.InputInt32(0);
       Register prev = __ StackPointer();
-      __ SetStackPointer(csp);
-      __ Claim(count);
+      if (prev.Is(jssp)) {
+        __ AlignAndSetCSPForFrame();
+      }
+      if (count > 0) {
+        __ Claim(count);
+      }
       __ SetStackPointer(prev);
       frame_access_state()->IncreaseSPDelta(count);
       break;
     }
     case kArm64ClaimJSSP: {
       int count = i.InputInt32(0);
       if (csp.Is(__ StackPointer())) {
         // No JSP is set up. Compute it from the CSP.
         int even = RoundUp(count, 2);
         __ Sub(jssp, csp, count * kPointerSize);
@@ skipping 777 matching lines @@
       padding_size -= kInstructionSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8