[clang] [clang-cl] Fix value of __FUNCTION__ in MSVC mode. (PR #67592)

[Aaron Ballman via cfe-commits]

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@@ -665,7 +665,8 @@ StringRef PredefinedExpr::getIdentKindName(PredefinedIdentKind IK) {
 // FIXME: Maybe this should use DeclPrinter with a special "print predefined
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AaronBallman wrote:

The more complex we make this, the more I think this FIXME sounds like a somewhat better idea though it would potentially be an involved refactoring...

https://github.com/llvm/llvm-project/pull/67592