Teach __has_nothrow_assign not to complain about access (GCC and EDG

ignore access entirely for it) and not to crash on assignment operator
templates. Fixes PR11110.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141777 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 6a2b76adfe..d3c4da8816 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -2863,8 +2863,12 @@ static bool EvaluateUnaryTypeTrait(Sema &Self, UnaryTypeTrait UTT,
       LookupResult Res(Self, DeclarationNameInfo(Name, KeyLoc),
                        Sema::LookupOrdinaryName);
       if (Self.LookupQualifiedName(Res, RD)) {
+        Res.suppressDiagnostics();
         for (LookupResult::iterator Op = Res.begin(), OpEnd = Res.end();
              Op != OpEnd; ++Op) {
+          if (isa<FunctionTemplateDecl>(*Op))
+            continue;
+          
           CXXMethodDecl *Operator = cast<CXXMethodDecl>(*Op);
           if (Operator->isCopyAssignmentOperator()) {
             FoundAssign = true;
@@ -2877,7 +2881,7 @@ static bool EvaluateUnaryTypeTrait(Sema &Self, UnaryTypeTrait UTT,
           }
         }
       }
-
+      
       return FoundAssign;
     }
     return false;