[compiler] Delay allocation of code-embedded heap numbers.

src/codegen.cc

 // Copyright 2012 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/codegen.h"
 
 #if defined(V8_OS_AIX)
 #include <fenv.h>  // NOLINT(build/c++11)
 #endif
 
@@ skipping 104 matching lines @@
                                              CompilationInfo* info,
                                              Handle<Object> self_reference) {
   Isolate* isolate = info->isolate();
 
   // Allocate and install the code.
   CodeDesc desc;
   Code::Flags flags = info->code_flags();
   bool is_crankshafted =
       Code::ExtractKindFromFlags(flags) == Code::OPTIMIZED_FUNCTION ||
       info->IsStub();
-  masm->GetCode(&desc);
+  masm->GetCode(isolate, &desc);
   if (eh_frame_writer) eh_frame_writer->GetEhFrame(&desc);
 
   Handle<Code> code = isolate->factory()->NewCode(
       desc, flags, self_reference, false, is_crankshafted,
       info->prologue_offset(), info->is_debug() && !is_crankshafted);
   isolate->counters()->total_compiled_code_size()->Increment(
       code->instruction_size());
   return code;
 }
 
@@ skipping 144 matching lines @@
       os << "source_position = " << shared->start_position() << "\n";
     }
     code->Disassemble(debug_name.get(), os);
     os << "--- End code ---\n";
   }
 #endif  // ENABLE_DISASSEMBLER
 }
 
 }  // namespace internal
 }  // namespace v8