[clang-tools-extra] [clang-tidy] Add options to throw unannotated functions in `bugprone-exception-escape` (PR #168324)

[Baranov Victor via cfe-commits]

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@@ -0,0 +1,57 @@
+// RUN: %check_clang_tidy -check-suffixes=ALL -std=c++11-or-later %s bugprone-exception-escape %t -- \
+// RUN:     -config='{"CheckOptions": { \
+// RUN:       "bugprone-exception-escape.TreatFunctionsWithoutSpecificationAsThrowing": "All" \
+// RUN:     }}' -- -fexceptions
+// RUN: %check_clang_tidy -check-suffixes=UNDEFINED -std=c++11-or-later %s bugprone-exception-escape %t -- \
+// RUN:     -config='{"CheckOptions": { \
+// RUN:       "bugprone-exception-escape.TreatFunctionsWithoutSpecificationAsThrowing": "OnlyUndefined" \
+// RUN:     }}' -- -fexceptions
+// RUN: %check_clang_tidy -check-suffixes=NONE -std=c++11-or-later %s bugprone-exception-escape %t -- \
+// RUN:     -config='{"CheckOptions": { \
+// RUN:       "bugprone-exception-escape.TreatFunctionsWithoutSpecificationAsThrowing": "None" \
+// RUN:     }}' -- -fexceptions
+
+void unannotated_no_throw_body() {}
+
+void calls_unannotated() noexcept {
+  // CHECK-MESSAGES-ALL: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'calls_unannotated' which should not throw exceptions
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vbvictor wrote:

Could you please add stack trace as notes (like in other tests)

https://github.com/llvm/llvm-project/pull/168324