[llvm-bugs] [Bug 46076] New: arm64be fails with -fsanitize=shadow-call-stack

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=46076

            Bug ID: 46076
           Summary: arm64be fails with -fsanitize=shadow-call-stack
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Driver
          Assignee: unassignedclangbugs at nondot.org
          Reporter: arnd at linaro.org
                CC: llvm-bugs at lists.llvm.org, neeilans at live.com,
                    richard-llvm at metafoo.co.uk

Building the Linux kernel with the newly added support for
-fsanitize=shadow-call-stack fails on big-endian platforms with:

clang: error: unsupported option '-fsanitize=shadow-call-stack' for target
'aarch64_be-unknown-linux'

I have submitted a workaround for the kernel, but this is likely a bug in clang
and there may be no technical reason to prevent the combination.

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