[clang] [clang][analyzer] Correct SMT Layer for _BitInt cases refutations (PR #143310)

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@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core -w -DNO_CROSSCHECK -verify %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core -w -analyzer-config crosscheck-with-z3=true -verify %s
+// REQUIRES: z3
+
+// The SMTConv layer did not comprehend _BitInt types (because this was an
+// evolved feature) and was crashing due to needed updates in 2 places.
+// Analysis is expected to find these cases using _BitInt without crashing.
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vabridgers wrote:

I went with Donat's comment. I too prefer some kind of note. Resolving for now. 

https://github.com/llvm/llvm-project/pull/143310