[llvm-bugs] [Bug 34127] New: [AArch64] Add support for stack protector using pointer authentication

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34127

            Bug ID: 34127
           Summary: [AArch64] Add support for stack protector using
                    pointer authentication
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: AArch64
          Assignee: unassignedbugs at nondot.org
          Reporter: mcrosier at codeaurora.org
                CC: llvm-bugs at lists.llvm.org

The ARMV8.3a extensions add new instructions for pointer authentication.  We
should use these instructions to optimize the -fstack-protector implementation.
 This feature is already present in GCC.

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