1 files changed, 3 insertions, 8 deletions
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 6dab332f4fb..ba7bcda0f8e 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -3192,12 +3192,7 @@ bool Sema::MergeFunctionDecl(FunctionDecl *New, NamedDecl *&OldD,
   if (RequiresAdjustment) {
     const FunctionType *AdjustedType = New->getType()->getAs<FunctionType>();
     AdjustedType = Context.adjustFunctionType(AdjustedType, NewTypeInfo);
-
-    QualType AdjustedQT = QualType(AdjustedType, 0);
-    LangAS AS = Old->getType().getAddressSpace();
-    AdjustedQT = Context.getAddrSpaceQualType(AdjustedQT, AS);
-
-    New->setType(AdjustedQT);
+    New->setType(QualType(AdjustedType, 0));
     NewQType = Context.getCanonicalType(New->getType());
     NewType = cast<FunctionType>(NewQType);
   }
@@ -10022,7 +10017,7 @@ bool Sema::CheckFunctionDeclaration(Scope *S, FunctionDecl *NewFD,
   CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(NewFD);
   if (!getLangOpts().CPlusPlus14 && MD && MD->isConstexpr() &&
       !MD->isStatic() && !isa<CXXConstructorDecl>(MD) &&
-      !MD->getTypeQualifiers().hasConst()) {
+      (MD->getTypeQualifiers() & Qualifiers::Const) == 0) {
     CXXMethodDecl *OldMD = nullptr;
     if (OldDecl)
       OldMD = dyn_cast_or_null<CXXMethodDecl>(OldDecl->getAsFunction());
@@ -10030,7 +10025,7 @@ bool Sema::CheckFunctionDeclaration(Scope *S, FunctionDecl *NewFD,
       const FunctionProtoType *FPT =
         MD->getType()->castAs<FunctionProtoType>();
       FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo();
-      EPI.TypeQuals.addConst();
+      EPI.TypeQuals |= Qualifiers::Const;
       MD->setType(Context.getFunctionType(FPT->getReturnType(),
                                           FPT->getParamTypes(), EPI));