[clang] [Clang] Introduce OverflowBehaviorType for fine-grained overflow control (PR #148914)

[Matheus Izvekov via cfe-commits]

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@@ -870,6 +870,42 @@ ASTContext::insertCanonicalTemplateTemplateParmDeclInternal(
   return CanonTTP;
 }
 
+/// For the purposes of overflow pattern exclusion, does this match the
+/// while(i--) pattern?
+static bool matchesPostDecrInWhile(const UnaryOperator *UO, ASTContext &Ctx) {
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mizvekov wrote:

I am more concerned that these functions don't seem like a good fit for being part of ASTContext, maybe we can find a better home for them.

https://github.com/llvm/llvm-project/pull/148914