Allow calling an overloaded function set by taking the address of the

functions, e.g., (&f)(0). Fixes <rdar://problem/9803316>.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141877 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 4 insertions, 6 deletions

diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index 2cb9275681..7b9f5909d1 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -894,10 +894,8 @@ bool Sema::isExprCallable(const Expr &E, QualType &ZeroArgCallReturnTy,
       }
     }
 
-    // Ignore overloads where the address is taken, because apparently
-    // overload resolution doesn't apply in these cases.  In theory,
-    // this can make us miss a few cases, but whatever.
-    if (FR.IsAddressOfOperand)
+    // Ignore overloads that are the pointer-to-member.
+    if (FR.IsAddressOfOperand && FR.HasFormOfMemberPointer)
       return false;
 
     return true;
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index d0ad5c8bfd..bfe98498d8 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -3549,8 +3549,8 @@ Sema::ActOnCallExpr(Scope *S, Expr *Fn, SourceLocation LParenLoc,
   if (Fn->getType() == Context.OverloadTy) {
     OverloadExpr::FindResult find = OverloadExpr::find(Fn);
 
-    // We aren't supposed to apply this logic if there's an '&' involved.
-    if (!find.IsAddressOfOperand) {
+    // We aren't supposed to apply this logic for if there's an '&' involved.
+    if (!(find.IsAddressOfOperand && find.HasFormOfMemberPointer)) {
       OverloadExpr *ovl = find.Expression;
       if (isa<UnresolvedLookupExpr>(ovl)) {
         UnresolvedLookupExpr *ULE = cast<UnresolvedLookupExpr>(ovl);