[turbofan] Attach source positions to deopt info.

src/compiler/code-generator-impl.h

Index: src/compiler/code-generator-impl.h
diff --git a/src/compiler/code-generator-impl.h b/src/compiler/code-generator-impl.h
index 4dccdc912ce73c20306e08df393a0c65e3831dbf..8bf3a9ea4e3bbc9a1801f284fa935b12b0eb8f47 100644
--- a/src/compiler/code-generator-impl.h
+++ b/src/compiler/code-generator-impl.h
@@ -170,15 +170,17 @@ class InstructionOperandConverter {
 // 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.