[all-commits] [llvm/llvm-project] 96d824: [ARM] Enable cfi-icall for thumb triples (#102126)

[Oliver Stannard via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 96d824d935d631a4c28133f9f8f1f583eefd040d
      https://github.com/llvm/llvm-project/commit/96d824d935d631a4c28133f9f8f1f583eefd040d
  Author: Oliver Stannard <oliver.stannard at arm.com>
  Date:   2024-08-07 (Wed, 07 Aug 2024)

  Changed paths:
    M clang/lib/Driver/ToolChain.cpp
    M clang/test/Driver/fsanitize.c

  Log Message:
  -----------
  [ARM] Enable cfi-icall for thumb triples (#102126)

Support for this was added back in 2016
(https://reviews.llvm.org/D27499), but never enabled in the driver.
Since then, it's been possible to enable this with an arm triple and the
-mthumb option, but not with a thumb triple.

This also caused -fsanitise=cfi to enable cfi-icall for arm triple but
not thumb triples, which caused spurious sanitiser failures if mixing
the two ISAs in one program.



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