From c894b326cf10b1ea4610ccddcc40e5648363c9ba Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Wed, 19 Jun 2013 02:07:51 +0000
Subject: [PATCH] Delete dead code.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184277 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/clang/Sema/IdentifierResolver.h | 10 -------
 lib/Sema/IdentifierResolver.cpp         | 37 -------------------------
 2 files changed, 47 deletions(-)

diff --git a/include/clang/Sema/IdentifierResolver.h b/include/clang/Sema/IdentifierResolver.h
index 0b1b74a0d8..99d94a1fed 100644
--- a/include/clang/Sema/IdentifierResolver.h
+++ b/include/clang/Sema/IdentifierResolver.h
@@ -51,11 +51,6 @@ class IdentifierResolver {
     /// The decl must already be part of the decl chain.
     void RemoveDecl(NamedDecl *D);
 
-    /// Replaces the Old declaration with the New declaration. If the
-    /// replacement is successful, returns true. If the old
-    /// declaration was not found, returns false.
-    bool ReplaceDecl(NamedDecl *Old, NamedDecl *New);
-
     /// \brief Insert the given declaration at the given position in the list.
     void InsertDecl(DeclsTy::iterator Pos, NamedDecl *D) {
       Decls.insert(Pos, D);
@@ -168,11 +163,6 @@ public:
   /// The decl must already be part of the decl chain.
   void RemoveDecl(NamedDecl *D);
 
-  /// Replace the decl Old with the new declaration New on its
-  /// identifier chain. Returns true if the old declaration was found
-  /// (and, therefore, replaced).
-  bool ReplaceDecl(NamedDecl *Old, NamedDecl *New);
-
   /// \brief Insert the given declaration after the given iterator
   /// position.
   void InsertDeclAfter(iterator Pos, NamedDecl *D);
diff --git a/lib/Sema/IdentifierResolver.cpp b/lib/Sema/IdentifierResolver.cpp
index d44c1fb926..7f5d972f07 100644
--- a/lib/Sema/IdentifierResolver.cpp
+++ b/lib/Sema/IdentifierResolver.cpp
@@ -78,19 +78,6 @@ void IdentifierResolver::IdDeclInfo::RemoveDecl(NamedDecl *D) {
   llvm_unreachable("Didn't find this decl on its identifier's chain!");
 }
 
-bool
-IdentifierResolver::IdDeclInfo::ReplaceDecl(NamedDecl *Old, NamedDecl *New) {
-  for (DeclsTy::iterator I = Decls.end(); I != Decls.begin(); --I) {
-    if (Old == *(I-1)) {
-      *(I - 1) = New;
-      return true;
-    }
-  }
-
-  return false;
-}
-
-
 //===----------------------------------------------------------------------===//
 // IdentifierResolver Implementation
 //===----------------------------------------------------------------------===//
@@ -235,30 +222,6 @@ void IdentifierResolver::RemoveDecl(NamedDecl *D) {
   return toIdDeclInfo(Ptr)->RemoveDecl(D);
 }
 
-bool IdentifierResolver::ReplaceDecl(NamedDecl *Old, NamedDecl *New) {
-  assert(Old->getDeclName() == New->getDeclName() &&
-         "Cannot replace a decl with another decl of a different name");
-
-  DeclarationName Name = Old->getDeclName();
-  if (IdentifierInfo *II = Name.getAsIdentifierInfo())
-    updatingIdentifier(*II);
-
-  void *Ptr = Name.getFETokenInfo<void>();
-
-  if (!Ptr)
-    return false;
-
-  if (isDeclPtr(Ptr)) {
-    if (Ptr == Old) {
-      Name.setFETokenInfo(New);
-      return true;
-    }
-    return false;
-  }
-
-  return toIdDeclInfo(Ptr)->ReplaceDecl(Old, New);
-}
-
 /// begin - Returns an iterator for decls with name 'Name'.
 IdentifierResolver::iterator
 IdentifierResolver::begin(DeclarationName Name) {
-- 
2.40.0