[Isolates] Removal of miscellaneous statics from the backend.

src/x64/macro-assembler-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2084 matching lines @@
   int argument_stack_space = 2 * kPointerSize;
   // We also need backing space for 4 parameters, even though
   // we only pass one or two parameter, and it is in a register.
   int argument_mirror_space = 4 * kPointerSize;
   int total_stack_space =
       argument_mirror_space + argument_stack_space + result_stack_space;
   subq(rsp, Immediate(total_stack_space));
 #endif
 
   // Get the required frame alignment for the OS.
-  static const int kFrameAlignment = OS::ActivationFrameAlignment();
+  const int kFrameAlignment = OS::ActivationFrameAlignment();
   if (kFrameAlignment > 0) {
     ASSERT(IsPowerOf2(kFrameAlignment));
     movq(kScratchRegister, Immediate(-kFrameAlignment));
     and_(rsp, kScratchRegister);
   }
 
   // Patch the saved entry sp.
   movq(Operand(rbp, ExitFrameConstants::kSPOffset), rsp);
 }
 
@@ skipping 597 matching lines @@
   CPU::FlushICache(address_, size_);
 
   // Check that the code was patched as expected.
   ASSERT(masm_.pc_ == address_ + size_);
   ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64