[compiler] Pass inlining_id via relocation info.

src/profiler/profile-generator.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/profiler/profile-generator.h"
 
 #include "src/ast/scopeinfo.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/global-handles.h"
@@ skipping 120 matching lines @@
 
   CpuProfileDeoptInfo info;
   info.deopt_reason = deopt_reason_;
   if (inlined_function_infos_.empty()) {
     info.stack.push_back(CpuProfileDeoptFrame(
         {script_id_, position_ + deopt_position_.position()}));
     return info;
   }
   // Copy the only branch from the inlining tree where the deopt happened.
   SourcePosition position = deopt_position_;
-  int inlining_id = InlinedFunctionInfo::kNoParentId;
-  for (size_t i = 0; i < inlined_function_infos_.size(); ++i) {
-    InlinedFunctionInfo& current_info = inlined_function_infos_.at(i);
-    if (std::binary_search(current_info.deopt_pc_offsets.begin(),
-                           current_info.deopt_pc_offsets.end(), pc_offset_)) {
-      inlining_id = static_cast<int>(i);
-      break;
-    }
-  }
+  int inlining_id = deopt_inlining_id_;
   while (inlining_id != InlinedFunctionInfo::kNoParentId) {
     InlinedFunctionInfo& inlined_info = inlined_function_infos_.at(inlining_id);
     info.stack.push_back(
         CpuProfileDeoptFrame({inlined_info.script_id,
                               inlined_info.start_position + position.raw()}));
     position = inlined_info.inline_position;
     inlining_id = inlined_info.parent_id;
   }
   return info;
 }
@@ skipping 550 matching lines @@
     case EXTERNAL:
       return program_entry_;
     case IDLE:
       return idle_entry_;
     default: return NULL;
   }
 }
 
 }  // namespace internal
 }  // namespace v8