eugenis added inline comments.
================
Comment at: clang/include/clang/Driver/Options.td:4172
+// on x86_64 and is subject to change in the future.  For example, we may want
+// to distinguish between LAM48 and LAM57 at some point.
+def mlam : Flag<["-"], "mlam">, Group<m_x86_Features_Group>;
----------------
Hmm this might be a good argument to go with something else for now.
What would -mlam actually affect, besides hwasan? Significant bits computation?

If we see LAM as future production mode for HWASan, and aliasing - more of a 
temporary, proof-of-concept thing, then how about 
-fexperimental-sanitize-hwaddress-aliasing flag?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102288/new/

https://reviews.llvm.org/D102288

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