[lldb] Fix 7b73de9ec2b19df040c919d3004dfbead9b6ac59
authorWalter Erquinigo <wallace@fb.com>
Tue, 10 May 2022 04:01:05 +0000 (21:01 -0700)
committerWalter Erquinigo <wallace@fb.com>
Tue, 10 May 2022 04:02:40 +0000 (21:02 -0700)
commit909a2e3c8822f0826234aa320794003c7066fada
tree462277e0767728c6fbfa836df508eb94b8203706
parent96345f773cfeb23b80aba8c9592446c661f1a0ef
[lldb] Fix 7b73de9ec2b19df040c919d3004dfbead9b6ac59

This commit causes
https://lab.llvm.org/buildbot/#/builders/17/builds/21743 to fail
seemingly because of bad handling of the PERF_ATTR_SIZE_VER5 symbol.

This patch tries to handle better the absence of this symbol.
lldb/source/Plugins/Process/Linux/IntelPTSingleBufferTrace.cpp