[clang] [Clang] Fixed UnresolvedLookupExpr propagating into the codegen phase (PR #124609)

[Younan Zhang via cfe-commits]

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@@ -703,6 +703,48 @@ auto f(auto x) { // cxx14-error {{'auto' not allowed in function prototype}}
   return f(1) + 1;
 }
 
+namespace GH122892 {
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zyn0217 wrote:

I don't know, but the original issue doesn't manifest with `-fsyntax-only` https://godbolt.org/z/MdMzjEd5q

So if this patch changed the behavior in that mode (e.g. diagnose out errors earlier) then it probably makes sense to have the test live in SemaCXX, just my thoughts :P

https://github.com/llvm/llvm-project/pull/124609