Bug#1016811: libwebkit2gtk-4.0-37: bullseye backport crashes a lot on arm64

[Alberto Garcia]

On Fri, Oct 28, 2022 at 08:02:19PM +0200, Loïc Yhuel wrote:
> The crash in operationArithNegateProfiledOptimize is due to a bug in
> clang 10/11.
> On AArch64, the frame pointer might be set incorrectly depending on
> which registers are saved on the stack.
> This is fixed in
> https://github.com/llvm/llvm-project/commit/e9d9a61208, which applies
> easily on clang 11.

Backports are going to start using gcc again (except for amd64, where
gcc is broken) so hopefully this helps.

Berto