Rip out the last remaining implicit use of OverloadedFunctionDecl in Sema:

LookupResult::getAsSingleDecl() is no more.  Shift Sema::LookupSingleName to
return null on overloaded results.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90309 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 5 deletions

diff --git a/lib/Sema/SemaAttr.cpp b/lib/Sema/SemaAttr.cpp
index 5769716b33..095f537f71 100644
--- a/lib/Sema/SemaAttr.cpp
+++ b/lib/Sema/SemaAttr.cpp
@@ -183,20 +183,19 @@ void Sema::ActOnPragmaUnused(const Token *Identifiers, unsigned NumIdentifiers,
     LookupResult Lookup(*this, Name, Tok.getLocation(), LookupOrdinaryName);
     LookupParsedName(Lookup, curScope, NULL, true);
 
-    NamedDecl *ND = Lookup.getAsSingleDecl(Context);
-
-    if (!ND) {
+    if (Lookup.empty()) {
       Diag(PragmaLoc, diag::warn_pragma_unused_undeclared_var)
         << Name << SourceRange(Tok.getLocation());
       continue;
     }
 
-    if (!isa<VarDecl>(ND) || !cast<VarDecl>(ND)->hasLocalStorage()) {
+    VarDecl *VD = Lookup.getAsSingle<VarDecl>();
+    if (!VD || !VD->hasLocalStorage()) {
       Diag(PragmaLoc, diag::warn_pragma_unused_expected_localvar)
         << Name << SourceRange(Tok.getLocation());
       continue;
     }
 
-    ND->addAttr(::new (Context) UnusedAttr());
+    VD->addAttr(::new (Context) UnusedAttr());
   }
 }