[Lldb-commits] [clang] [lldb] [UBSan][BoundsSafety] Implement support for more expressive "trap reasons" (PR #154618)

[Thurston Dang via lldb-commits]

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@@ -166,7 +174,9 @@ Non-comprehensive list of changes in this release
 
 New Compiler Flags
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-- New option ``-fno-sanitize-annotate-debug-info-traps`` added to disable emitting trap reasons into the debug info when compiling with trapping UBSan (e.g. ``-fsanitize-trap=undefined``).
+- New option ``-fno-sanitize-debug-trap-reasons`` added to disable emitting trap reasons into the debug info when compiling with trapping UBSan (e.g. ``-fsanitize-trap=undefined``).
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thurstond wrote:

> when compiling with trapping UBSan (e.g. ``-fsanitize-trap=undefined``).

This is somewhat misleading because by itself -fsanitize-trap=undefined doesn't enable UBSan (as  you and Anthony have noted in https://discourse.llvm.org/t/rfc-emit-a-warning-when-fsanitize-trap-is-passed-without-associated-fsanitize/87893)

https://github.com/llvm/llvm-project/pull/154618