Commits on Aug 21, 2024

1. Add missing module flags for CFI and KCFI sanitizers …

   Set the cfi-normalize-integers and kcfi-offset module flags when
   Control-Flow Integrity sanitizers are used, so functions generated by
   the LLVM backend use the same CFI/KCFI options as rustc.
   
   cfi-normalize-integers tells LLVM to also use integer normalization
   for generated functions when -Zsanitizer-cfi-normalize-integers is
   used.
   
   kcfi-offset specifies the number of prefix nops between the KCFI
   type hash and the function entry when -Z patchable-function-entry is
   used. Note that LLVM assumes all indirectly callable functions use the
   same number of prefix NOPs with -Zsanitizer=kcfi.

   

   samitolvanen committed Aug 21, 2024
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