[clang-tools-extra] [clang-tidy][NFC] fix typo in ExceptionAnalyzer; `replace count()>0` with `contains` (PR #116635)

[Congcong Cai via cfe-commits]

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@@ -449,7 +449,8 @@ void ExceptionAnalyzer::ExceptionInfo::reevaluateBehaviour() {
 ExceptionAnalyzer::ExceptionInfo ExceptionAnalyzer::throwsException(
     const FunctionDecl *Func, const ExceptionInfo::Throwables &Caught,
     llvm::SmallSet<const FunctionDecl *, 32> &CallStack) {
-  if (!Func || CallStack.count(Func) || (!CallStack.empty() && !canThrow(Func)))
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HerrCai0907 wrote:

After change (`count` to `contains`), it is more than 80 characters. 😆 

https://github.com/llvm/llvm-project/pull/116635