ARM64: Enable shorten-64-to-32 warning

src/arm64/lithium-codegen-arm64.cc

 // Copyright 2013 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/v8.h"
 
 #include "src/arm64/lithium-codegen-arm64.h"
 #include "src/arm64/lithium-gap-resolver-arm64.h"
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 725 matching lines @@
 
         int parameter_offset = StandardFrameConstants::kCallerSPOffset +
             (num_parameters - 1 - i) * kPointerSize;
         // Load parameter from stack.
         __ Ldr(value, MemOperand(fp, parameter_offset));
         // Store it in the context.
         MemOperand target = ContextMemOperand(cp, var->index());
         __ Str(value, target);
         // Update the write barrier. This clobbers value and scratch.
         if (need_write_barrier) {
-          __ RecordWriteContextSlot(cp, target.offset(), value, scratch,
-                                    GetLinkRegisterState(), kSaveFPRegs);
+          __ RecordWriteContextSlot(cp, static_cast<int>(target.offset()),
+                                    value, scratch, GetLinkRegisterState(),
+                                    kSaveFPRegs);
         } else if (FLAG_debug_code) {
           Label done;
           __ JumpIfInNewSpace(cp, &done);
           __ Abort(kExpectedNewSpaceObject);
           __ bind(&done);
         }
       }
     }
     Comment(";;; End allocate local context");
   }
@@ skipping 4373 matching lines @@
     } else {
       __ JumpIfNotRoot(scratch, Heap::kTheHoleValueRootIndex, &skip_assignment);
     }
   }
 
   __ Str(value, target);
   if (instr->hydrogen()->NeedsWriteBarrier()) {
     SmiCheck check_needed =
         instr->hydrogen()->value()->type().IsHeapObject()
             ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
-    __ RecordWriteContextSlot(context,
-                              target.offset(),
-                              value,
-                              scratch,
-                              GetLinkRegisterState(),
-                              kSaveFPRegs,
-                              EMIT_REMEMBERED_SET,
-                              check_needed);
+    __ RecordWriteContextSlot(context, static_cast<int>(target.offset()), value,
+                              scratch, GetLinkRegisterState(), kSaveFPRegs,
+                              EMIT_REMEMBERED_SET, check_needed);
   }
   __ Bind(&skip_assignment);
 }
 
 
 void LCodeGen::DoStoreKeyedExternal(LStoreKeyedExternal* instr) {
   Register ext_ptr = ToRegister(instr->elements());
   Register key = no_reg;
   Register scratch;
   ElementsKind elements_kind = instr->elements_kind();
@@ skipping 976 matching lines @@
   Handle<ScopeInfo> scope_info = instr->scope_info();
   __ Push(scope_info);
   __ Push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 
 } }  // namespace v8::internal