A64: Synchronize with r15545.

src/arm/full-codegen-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
 // met:
 //
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 //       notice, this list of conditions and the following disclaimer.
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 //       from this software without specific prior written permission.
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 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
-#if defined(V8_TARGET_ARCH_ARM)
+#if V8_TARGET_ARCH_ARM
 
 #include "code-stubs.h"
 #include "codegen.h"
 #include "compiler.h"
 #include "debug.h"
 #include "full-codegen.h"
 #include "isolate-inl.h"
 #include "parser.h"
 #include "scopes.h"
 #include "stub-cache.h"
@@ skipping 4318 matching lines @@
     default:
       UNREACHABLE();
   }
 }
 
 
 void FullCodeGenerator::EmitUnaryOperation(UnaryOperation* expr,
                                            const char* comment) {
   // TODO(svenpanne): Allowing format strings in Comment would be nice here...
   Comment cmt(masm_, comment);
-  bool can_overwrite = expr->expression()->ResultOverwriteAllowed();
-  UnaryOverwriteMode overwrite =
-      can_overwrite ? UNARY_OVERWRITE : UNARY_NO_OVERWRITE;
-  UnaryOpStub stub(expr->op(), overwrite);
+  UnaryOpStub stub(expr->op());
   // UnaryOpStub expects the argument to be in the
   // accumulator register r0.
   VisitForAccumulatorValue(expr->expression());
   SetSourcePosition(expr->position());
   CallIC(stub.GetCode(isolate()), RelocInfo::CODE_TARGET,
          expr->UnaryOperationFeedbackId());
   context()->Plug(r0);
 }
 
 
@@ skipping 532 matching lines @@
   *context_length = 0;
   return previous_;
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM