[all-commits] [llvm/llvm-project] 80022a: [UBSan] Fix vptr checks on arm64e

[Julian Lettner via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 80022ae2b58e7c2d51e7705d39a8ab546ac7de85
      https://github.com/llvm/llvm-project/commit/80022ae2b58e7c2d51e7705d39a8ab546ac7de85
  Author: Julian Lettner <julian.lettner at apple.com>
  Date:   2020-04-16 (Thu, 16 Apr 2020)

  Changed paths:
    M compiler-rt/lib/ubsan/ubsan_type_hash_itanium.cpp
    M compiler-rt/test/ubsan/TestCases/TypeCheck/vptr-corrupted-vtable-itanium.cpp
    A compiler-rt/test/ubsan/TestCases/TypeCheck/vptr-ptrauth-unauthenticated.cpp

  Log Message:
  -----------
  [UBSan] Fix vptr checks on arm64e

Fix UBSan's vptr checks in the presence of arm64e pointer signing.

Radar-Id: rdar://61786404

Reviewed By: vsk

Differential Revision: https://reviews.llvm.org/D78230