Uniform and precise source positions for inlining

src/compiler/compiler-source-position-table.h

Index: src/compiler/compiler-source-position-table.h
diff --git a/src/compiler/source-position.h b/src/compiler/compiler-source-position-table.h
similarity index 69%
rename from src/compiler/source-position.h
rename to src/compiler/compiler-source-position-table.h
index 3078d0652ff9c5faf11ebf04c132ae3af1d43d8a..07e1f427d674b5bd109cc27e0282ab4fadbcbc4f 100644
--- a/src/compiler/source-position.h
+++ b/src/compiler/compiler-source-position-table.h
@@ -8,37 +8,12 @@
 #include "src/base/compiler-specific.h"
 #include "src/compiler/node-aux-data.h"
 #include "src/globals.h"
+#include "src/source-position.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-// Encapsulates encoding and decoding of sources positions from which Nodes
-// originated.
-class SourcePosition final {
- public:
-  explicit SourcePosition(int raw = kUnknownPosition) : raw_(raw) {}
-
-  static SourcePosition Unknown() { return SourcePosition(kUnknownPosition); }
-  bool IsUnknown() const { return raw() == kUnknownPosition; }
-  bool IsKnown() const { return raw() != kUnknownPosition; }
-
-  int raw() const { return raw_; }
-
- private:
-  static const int kUnknownPosition = kNoSourcePosition;
-  int raw_;
-};
-
-
-inline bool operator==(const SourcePosition& lhs, const SourcePosition& rhs) {
-  return lhs.raw() == rhs.raw();
-}
-
-inline bool operator!=(const SourcePosition& lhs, const SourcePosition& rhs) {
-  return !(lhs == rhs);
-}
-
 class V8_EXPORT_PRIVATE SourcePositionTable final
     : public NON_EXPORTED_BASE(ZoneObject) {
  public:
@@ -74,9 +49,7 @@ class V8_EXPORT_PRIVATE SourcePositionTable final
   SourcePosition GetSourcePosition(Node* node) const;
   void SetSourcePosition(Node* node, SourcePosition position);
 
-  void set_current_position(int position) {
-    current_position_ = SourcePosition(position);
-  }
+  void SetCurrentPosition(SourcePosition pos) { current_position_ = pos; }
 
   void Print(std::ostream& os) const;