[clang] [clang-tools-extra] [clang] Unify `SourceLocation` and `IdentifierInfo*` pair-like data structures to `IdentifierLoc` (PR #135808)

[via cfe-commits]

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@@ -31,6 +31,7 @@ template <typename T, typename Enable> struct FoldingSetTrait;
 
 namespace clang {
 
+class IdentifierInfo;
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yronglin wrote:

Good catch! fixed.

https://github.com/llvm/llvm-project/pull/135808