vendor/clang/clang-trunk-r241361

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/Sema/DeclSpec.cpp b/lib/Sema/DeclSpec.cpp
index 1e7fc750a9cf2..d5c8871cac87b 100644
--- a/lib/Sema/DeclSpec.cpp
+++ b/lib/Sema/DeclSpec.cpp
@@ -893,6 +893,18 @@ bool DeclSpec::SetConstexprSpec(SourceLocation Loc, const char *&PrevSpec,
   return false;
 }
 
+bool DeclSpec::SetConceptSpec(SourceLocation Loc, const char *&PrevSpec,
+                              unsigned &DiagID) {
+  if (Concept_specified) {
+    DiagID = diag::ext_duplicate_declspec;
+    PrevSpec = "concept";
+    return true;
+  }
+  Concept_specified = true;
+  ConceptLoc = Loc;
+  return false;
+}
+
 void DeclSpec::setProtocolQualifiers(Decl * const *Protos,
                                      unsigned NP,
                                      SourceLocation *ProtoLocs,