[clang] [clang] Avoid stack exhaustion in recursive `constexpr` calls (PR #201706)

[Tony Guillot via cfe-commits]

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@@ -1009,6 +1013,20 @@ namespace {
       return true;
     }
 
+    bool runWithSufficientStackSpace(SourceLocation Loc,
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to268 wrote:

Why not use `runWithSufficientStackSpace()` from the `StackExhaustionHandler` class from [StackExhaustionHandler.h](https://github.com/llvm/llvm-project/blob/70f7167ce2622a610a6d6dca4d5934ea8a07a056/clang/include/clang/Basic/StackExhaustionHandler.h#L21)? Looks like duplicated code to me.

https://github.com/llvm/llvm-project/pull/201706