[clang] [llvm] Remove -bounds-checking-unique-traps (replace with -fno-sanitize-merge=local-bounds) (PR #120682)

[Vitaly Buka via cfe-commits]

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@@ -445,9 +445,10 @@ New Compiler Flags
 - The ``-Warray-compare-cxx26`` warning has been added to warn about array comparison
   starting from C++26, this warning is enabled as an error by default.
 
-- '-fsanitize-merge' (default) and '-fno-sanitize-merge' have been added for
-  fine-grained control of which UBSan checks are allowed to be merged by the
-  backend (for example, -fno-sanitize-merge=bool,enum).
+- ``-fsanitize-merge`` (default) and ``-fno-sanitize-merge`` have been added for
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vitalybuka wrote:

there is a special section "Sanitizers" on line 1154, maybe better to keep there?

https://github.com/llvm/llvm-project/pull/120682