1 files changed, 15 insertions, 1 deletions
diff --git a/include/clang/Sema/DeclSpec.h b/include/clang/Sema/DeclSpec.h
index 2ec3286ad799c..d375ec303785d 100644
--- a/include/clang/Sema/DeclSpec.h
+++ b/include/clang/Sema/DeclSpec.h
@@ -358,6 +358,9 @@ private:
   // constexpr-specifier
   unsigned Constexpr_specified : 1;
 
+  // concept-specifier
+  unsigned Concept_specified : 1;
+
   union {
     UnionParsedType TypeRep;
     Decl *DeclRep;
@@ -393,7 +396,7 @@ private:
   SourceLocation TQ_constLoc, TQ_restrictLoc, TQ_volatileLoc, TQ_atomicLoc;
   SourceLocation FS_inlineLoc, FS_virtualLoc, FS_explicitLoc, FS_noreturnLoc;
   SourceLocation FS_forceinlineLoc;
-  SourceLocation FriendLoc, ModulePrivateLoc, ConstexprLoc;
+  SourceLocation FriendLoc, ModulePrivateLoc, ConstexprLoc, ConceptLoc;
 
   WrittenBuiltinSpecs writtenBS;
   void SaveWrittenBuiltinSpecs();
@@ -437,6 +440,7 @@ public:
       FS_noreturn_specified(false),
       Friend_specified(false),
       Constexpr_specified(false),
+      Concept_specified(false),
       Attrs(attrFactory),
       ProtocolQualifiers(nullptr),
       NumProtocolQualifiers(0),
@@ -688,6 +692,8 @@ public:
                             unsigned &DiagID);
   bool SetConstexprSpec(SourceLocation Loc, const char *&PrevSpec,
                         unsigned &DiagID);
+  bool SetConceptSpec(SourceLocation Loc, const char *&PrevSpec,
+                      unsigned &DiagID);
 
   bool isFriendSpecified() const { return Friend_specified; }
   SourceLocation getFriendSpecLoc() const { return FriendLoc; }
@@ -698,11 +704,19 @@ public:
   bool isConstexprSpecified() const { return Constexpr_specified; }
   SourceLocation getConstexprSpecLoc() const { return ConstexprLoc; }
 
+  bool isConceptSpecified() const { return Concept_specified; }
+  SourceLocation getConceptSpecLoc() const { return ConceptLoc; }
+
   void ClearConstexprSpec() {
     Constexpr_specified = false;
     ConstexprLoc = SourceLocation();
   }
 
+  void ClearConceptSpec() {
+    Concept_specified = false;
+    ConceptLoc = SourceLocation();
+  }
+
   AttributePool &getAttributePool() const {
     return Attrs.getPool();
   }