[clang] [clang][Lex][NFC] Reorder SrcMgr checks in CheckMacroName (PR #141483)

[Timm Baeder via cfe-commits]

Timm =?utf-8?q?Bäder?= <tbaeder at redhat.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/141483 at github.com>


https://github.com/tbaederr closed https://github.com/llvm/llvm-project/pull/141483