compiler-clang: remove version check for BPF Tracing
bpftrace parses the kernel headers and uses Clang under the hood. Remove the version check when __BPF_TRACING__ is defined (as bpftrace does) so that this tool can continue to parse kernel headers, even with older clang sources. Fixes: commit 1f7a44f6 ("compiler-clang: add build check for clang 10.0.1") Reported-by: Chen Yu <yu.chen.surf@gmail.com> Reported-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Tested-by: Jarkko Sakkinen <jarkko@kernel.org> Acked-by: Jarkko Sakkinen <jarkko@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Acked-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Miguel Ojeda <ojeda@kernel.org> Link: https://lkml.kernel.org/r/20201104191052.390657-1-ndesaulniers@google.comSigned-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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