Remove stray file, leftover of llvm upgrade.

interpreter/llvm/src/tools/clang/D0bb39a5.diff

-commit 0bb39a5d9a5da83ee9aefd26f6001cd8abf6f4f2
-Author: Axel Naumann <Axel.Naumann@cern.ch>
-Date:   Mon Aug 26 14:29:24 2013 +0200
-
-    Temporary parsers should not manipulate global parser state.
-
-diff --git a/include/clang/Parse/Parser.h b/include/clang/Parse/Parser.h
-index 9d59f25..7dda3ea 100644
---- a/include/clang/Parse/Parser.h
-+++ b/include/clang/Parse/Parser.h
-@@ -48,6 +48,7 @@ namespace clang {
-   class OMPClause;
-   class ObjCTypeParamList;
-   class ObjCTypeParameter;
-+  class DestroyTemplateIdAnnotationsRAIIObj;
- 
- /// Parser - This implements a parser for the C family of languages.  After
- /// parsing units of the grammar, productions are invoked to handle whatever has
-@@ -60,6 +61,7 @@ class Parser : public CodeCompletionHandler {
-   friend class ObjCDeclContextSwitch;
-   friend class ParenBraceBracketBalancer;
-   friend class BalancedDelimiterTracker;
-+  friend class DestroyTemplateIdAnnotationsRAIIObj;
- 
-   Preprocessor &PP;
- 
-@@ -243,8 +245,10 @@ class Parser : public CodeCompletionHandler {
- 
-   bool SkipFunctionBodies;
- 
-+  bool IsTemporary;
- public:
--  Parser(Preprocessor &PP, Sema &Actions, bool SkipFunctionBodies);
-+  Parser(Preprocessor &PP, Sema &Actions, bool SkipFunctionBodies, 
-+         bool isTemp = false);
-   ~Parser() override;
- 
-   const LangOptions &getLangOpts() const { return PP.getLangOpts(); }
-@@ -254,6 +258,34 @@ public:
-   AttributeFactory &getAttrFactory() { return AttrFactory; }
- 
-   const Token &getCurToken() const { return Tok; }
-+
-+  /// A RAII object to temporarily reset PP's state and restore it.
-+  class ParserCurTokRestoreRAII {
-+  private:
-+    Parser &P;
-+    Token SavedTok;
-+
-+  public:
-+    ParserCurTokRestoreRAII(Parser &P)
-+      : P(P), SavedTok(P.Tok) 
-+    {
-+    }
-+
-+    void pop() {
-+      if (SavedTok.is(tok::unknown))
-+        return;
-+
-+      P.Tok = SavedTok;
-+      
-+      SavedTok.startToken();
-+    }
-+
-+    ~ParserCurTokRestoreRAII() {
-+      pop();
-+    }
-+  };
-+
-+
-   Scope *getCurScope() const { return Actions.getCurScope(); }
-   void incrementMSManglingNumber() const {
-     return Actions.incrementMSManglingNumber();
-@@ -852,7 +884,7 @@ public:
-     return Diag(Tok, DiagID);
-   }
- 
--private:
-+protected:
-   void SuggestParentheses(SourceLocation Loc, unsigned DK,
-                           SourceRange ParenRange);
-   void CheckNestedObjCContexts(SourceLocation AtLoc);
-diff --git a/lib/Parse/ParsePragma.cpp b/lib/Parse/ParsePragma.cpp
-index bff5d11..282245d 100644
---- a/lib/Parse/ParsePragma.cpp
-+++ b/lib/Parse/ParsePragma.cpp
-@@ -164,6 +164,10 @@ struct PragmaMSRuntimeChecksHandler : public EmptyPragmaHandler {
- }  // end namespace
- 
- void Parser::initializePragmaHandlers() {
-+  // No pragma parsing for temporary parsers.
-+  if (IsTemporary)
-+     return;
-+
-   AlignHandler.reset(new PragmaAlignHandler());
-   PP.AddPragmaHandler(AlignHandler.get());
- 
-@@ -245,6 +249,10 @@ void Parser::initializePragmaHandlers() {
- }
- 
- void Parser::resetPragmaHandlers() {
-+  // No pragma parsing for temporary parsers.
-+  if (IsTemporary)
-+     return;
-+
-   // Remove the pragma handlers we installed.
-   PP.RemovePragmaHandler(AlignHandler.get());
-   AlignHandler.reset();
-diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
-index f968f99..8e1c057 100644
---- a/lib/Parse/Parser.cpp
-+++ b/lib/Parse/Parser.cpp
-@@ -68,15 +68,17 @@ IdentifierInfo *Parser::getSEHExceptKeyword() {
-   return Ident__except;
- }
- 
--Parser::Parser(Preprocessor &pp, Sema &actions, bool skipFunctionBodies)
-+Parser::Parser(Preprocessor &pp, Sema &actions, bool skipFunctionBodies,
-+               bool isTemporary /*=false*/)
-   : PP(pp), Actions(actions), Diags(PP.getDiagnostics()),
-     GreaterThanIsOperator(true), ColonIsSacred(false), 
-     InMessageExpression(false), TemplateParameterDepth(0),
--    ParsingInObjCContainer(false) {
-+    ParsingInObjCContainer(false), IsTemporary(isTemporary) {
-   SkipFunctionBodies = pp.isCodeCompletionEnabled() || skipFunctionBodies;
-   Tok.startToken();
-   Tok.setKind(tok::eof);
--  Actions.CurScope = nullptr;
-+  if (!IsTemporary)
-+    Actions.CurScope = nullptr;
-   NumCachedScopes = 0;
-   ParenCount = BracketCount = BraceCount = 0;
-   CurParsedObjCImpl = nullptr;
-@@ -86,9 +88,11 @@ Parser::Parser(Preprocessor &pp, Sema &actions, bool skipFunctionBodies)
-   initializePragmaHandlers();
- 
-   CommentSemaHandler.reset(new ActionCommentHandler(actions));
--  PP.addCommentHandler(CommentSemaHandler.get());
-+  if (!IsTemporary)
-+    PP.addCommentHandler(CommentSemaHandler.get());
- 
--  PP.setCodeCompletionHandler(*this);
-+  if (!IsTemporary)
-+    PP.setCodeCompletionHandler(*this);
- }
- 
- DiagnosticBuilder Parser::Diag(SourceLocation Loc, unsigned DiagID) {
-@@ -422,8 +426,10 @@ Parser::ParseScopeFlags::~ParseScopeFlags() {
- 
- Parser::~Parser() {
-   // If we still have scopes active, delete the scope tree.
-+  if (!IsTemporary) {
-   delete getCurScope();
-   Actions.CurScope = nullptr;
-+  }
- 
-   // Free the scope cache.
-   for (unsigned i = 0, e = NumCachedScopes; i != e; ++i)
-@@ -534,13 +540,13 @@ void Parser::LateTemplateParserCleanupCallback(void *P) {
-   // While this RAII helper doesn't bracket any actual work, the destructor will
-   // clean up annotations that were created during ActOnEndOfTranslationUnit
-   // when incremental processing is enabled.
--  DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(((Parser *)P)->TemplateIds);
-+   DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(*(Parser*)P);
- }
- 
- /// ParseTopLevelDecl - Parse one top-level declaration, return whatever the
- /// action tells us to.  This returns true if the EOF was encountered.
- bool Parser::ParseTopLevelDecl(DeclGroupPtrTy &Result) {
--  DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(TemplateIds);
-+  DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(*this);
- 
-   // Skip over the EOF token, flagging end of previous input for incremental
-   // processing
-@@ -579,9 +585,8 @@ bool Parser::ParseTopLevelDecl(DeclGroupPtrTy &Result) {
-                                     PP.isIncrementalProcessingEnabled() ?
-                                     LateTemplateParserCleanupCallback : nullptr,
-                                     this);
--    if (!PP.isIncrementalProcessingEnabled())
--      Actions.ActOnEndOfTranslationUnit();
--    //else don't tell Sema that we ended parsing: more input might come.
-+    Actions.ActOnEndOfTranslationUnit();
-+
-     return true;
- 
-   default:
-@@ -622,7 +627,7 @@ bool Parser::ParseTopLevelDecl(DeclGroupPtrTy &Result) {
- Parser::DeclGroupPtrTy
- Parser::ParseExternalDeclaration(ParsedAttributesWithRange &attrs,
-                                  ParsingDeclSpec *DS) {
--  DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(TemplateIds);
-+  DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(*this);
-   ParenBraceBracketBalancer BalancerRAIIObj(*this);
- 
-   if (PP.isCodeCompletionReached()) {