[clang] [Clang] Correctly handle taking the address of an explicit object member function template (PR #147046)

[Aaron Ballman via cfe-commits]

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@@ -7757,7 +7762,9 @@ void Sema::AddMethodCandidate(
   Candidate.Viable = true;
 
   unsigned FirstConvIdx = PO == OverloadCandidateParamOrder::Reversed ? 1 : 0;
-  if (ObjectType.isNull())
+  if (IgnoreExplicitObject)
+    ;
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AaronBallman wrote:

How bad is it to turn this into `if (!IgnoreExplicitObjec)` and wrap the other `else if` cases? I'm not keen on an empty if statement body.

https://github.com/llvm/llvm-project/pull/147046