Builtin candidate minimization for

<<=, >>= and the rest.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84568 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Sema/SemaOverload.cpp b/lib/Sema/SemaOverload.cpp
index 44c3e2dd3f62058ffde04da05fd7be4f55392d13..2d5a86b7b1888e736e0b3fb30f899415451a64e7 100644 (file)
--- a/lib/Sema/SemaOverload.cpp
+++ b/lib/Sema/SemaOverload.cpp
@@ -3710,12 +3710,13 @@ Sema::AddBuiltinOperatorCandidates(OverloadedOperatorKind Op,
         // Add this built-in operator as a candidate (VQ is empty).
         ParamTypes[0] = Context.getLValueReferenceType(ArithmeticTypes[Left]);
         AddBuiltinCandidate(ParamTypes[0], ParamTypes, Args, 2, CandidateSet);
-
-        // Add this built-in operator as a candidate (VQ is 'volatile').
-        ParamTypes[0] = ArithmeticTypes[Left];
-        ParamTypes[0] = Context.getVolatileType(ParamTypes[0]);
-        ParamTypes[0] = Context.getLValueReferenceType(ParamTypes[0]);
-        AddBuiltinCandidate(ParamTypes[0], ParamTypes, Args, 2, CandidateSet);
+        if (VisibleTypeConversionsQuals.hasVolatile()) {
+          // Add this built-in operator as a candidate (VQ is 'volatile').
+          ParamTypes[0] = ArithmeticTypes[Left];
+          ParamTypes[0] = Context.getVolatileType(ParamTypes[0]);
+          ParamTypes[0] = Context.getLValueReferenceType(ParamTypes[0]);
+          AddBuiltinCandidate(ParamTypes[0], ParamTypes, Args, 2, CandidateSet);
+        }
       }
     }
     break;