Always pass an Isolate to AssemblerBase

src/full-codegen/ppc/full-codegen-ppc.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.
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
@@ skipping 4883 matching lines @@
 
 
 #undef __
 
 
 void BackEdgeTable::PatchAt(Code* unoptimized_code, Address pc,
                             BackEdgeState target_state,
                             Code* replacement_code) {
   Address mov_address = Assembler::target_address_from_return_address(pc);
   Address cmp_address = mov_address - 2 * Assembler::kInstrSize;
-  CodePatcher patcher(cmp_address, 1);
+  CodePatcher patcher(unoptimized_code->GetIsolate(), cmp_address, 1);
 
   switch (target_state) {
     case INTERRUPT: {
       //  <decrement profiling counter>
       //         cmpi    r6, 0
       //         bge     <ok>            ;; not changed
       //         mov     r12, <interrupt stub address>
       //         mtlr    r12
       //         blrl
       //  <reset profiling counter>
@@ skipping 45 matching lines @@
     return ON_STACK_REPLACEMENT;
   }
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_PPC