[clang] [Clang] Fix segmentation fault caused by `VarBypassDetector` stack overflow on deeply nested expressions (PR #124128)

[Boaz Brickner via cfe-commits]

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@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 %s -emit-llvm -o - -Wstack-exhausted
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bricknerb wrote:

I believe one of @cor3ntin concerns in #111701 was flakiness, not just speed.
I'm happy to try and add that option if there are no objections.

https://github.com/llvm/llvm-project/pull/124128