[turbofan] Attach source positions to deopt info.

src/compiler/code-generator-impl.h

 // Copyright 2013 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.
 
 #ifndef V8_COMPILER_CODE_GENERATOR_IMPL_H_
 #define V8_COMPILER_CODE_GENERATOR_IMPL_H_
 
 #include "src/code-stubs.h"
 #include "src/compiler/code-generator.h"
 #include "src/compiler/instruction.h"
@@ skipping 152 matching lines @@
   Linkage* linkage() const { return gen_->linkage(); }
 
  protected:
   CodeGenerator* gen_;
   Instruction* instr_;
 };
 
 // Eager deoptimization exit.
 class DeoptimizationExit : public ZoneObject {
  public:
-  explicit DeoptimizationExit(int deoptimization_id)
-      : deoptimization_id_(deoptimization_id) {}
+  explicit DeoptimizationExit(int deoptimization_id, SourcePosition pos)
+      : deoptimization_id_(deoptimization_id), pos_(pos) {}
 
   int deoptimization_id() const { return deoptimization_id_; }
   Label* label() { return &label_; }
+  SourcePosition pos() const { return pos_; }
 
  private:
   int const deoptimization_id_;
   Label label_;
+  SourcePosition const pos_;
 };
 
 // Generator for out-of-line code that is emitted after the main code is done.
 class OutOfLineCode : public ZoneObject {
  public:
   explicit OutOfLineCode(CodeGenerator* gen);
   virtual ~OutOfLineCode();
 
   virtual void Generate() = 0;
 
@@ skipping 19 matching lines @@
 #if V8_TARGET_ARCH_ARM64 || V8_TARGET_ARCH_ARM
   masm->CheckConstPool(true, false);
 #endif
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_GENERATOR_IMPL_H