Handle overload resolution when calling an overloaded function set

with, e.g., (&f)(a, b, c). Fixes PR8013.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118508 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 8 insertions, 6 deletions

diff --git a/lib/Sema/SemaCodeComplete.cpp b/lib/Sema/SemaCodeComplete.cpp
index 73c19a755b..27943d5d3f 100644
--- a/lib/Sema/SemaCodeComplete.cpp
+++ b/lib/Sema/SemaCodeComplete.cpp
@@ -3306,6 +3306,10 @@ void Sema::CodeCompleteCall(Scope *S, ExprTy *FnIn,
   llvm::SmallVector<ResultCandidate, 8> Results;
 
   Expr *NakedFn = Fn->IgnoreParenCasts();
+  if (UnaryOperator *UnOp = dyn_cast<UnaryOperator>(NakedFn))
+    if (UnOp->getOpcode() == UO_AddrOf)
+      NakedFn = UnOp->getSubExpr()->IgnoreParens();
+
   if (UnresolvedLookupExpr *ULE = dyn_cast<UnresolvedLookupExpr>(NakedFn))
     AddOverloadedCallCandidates(ULE, Args, NumArgs, CandidateSet,
                                 /*PartialOverloading=*/ true);
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 0d0f48cd74..f404c20b41 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -3781,17 +3781,15 @@ Sema::ActOnCallExpr(Scope *S, Expr *Fn, SourceLocation LParenLoc,
   // lookup and whether there were any explicitly-specified template arguments.
 
   Expr *NakedFn = Fn->IgnoreParens();
-  if (isa<UnresolvedLookupExpr>(NakedFn)) {
-    UnresolvedLookupExpr *ULE = cast<UnresolvedLookupExpr>(NakedFn);
-    return BuildOverloadedCallExpr(S, Fn, ULE, LParenLoc, Args, NumArgs,
-                                   RParenLoc);
-  }
-
   NamedDecl *NDecl = 0;
   if (UnaryOperator *UnOp = dyn_cast<UnaryOperator>(NakedFn))
     if (UnOp->getOpcode() == UO_AddrOf)
       NakedFn = UnOp->getSubExpr()->IgnoreParens();
   
+  if (UnresolvedLookupExpr *ULE = dyn_cast<UnresolvedLookupExpr>(NakedFn))
+    return BuildOverloadedCallExpr(S, Fn, ULE, LParenLoc, Args, NumArgs,
+                                   RParenLoc);
+
   if (isa<DeclRefExpr>(NakedFn))
     NDecl = cast<DeclRefExpr>(NakedFn)->getDecl();