[llvm-branch-commits] [lldb] Add DisassemblerLLVMC::IsBarrier API (PR #169632)

[Felipe de Azevedo Piovezan via llvm-branch-commits]

https://github.com/felipepiovezan created https://github.com/llvm/llvm-project/pull/169632

This will allow the instruction emulation unwinder to reason about
instructions that prevent the subsequent instruction from executing.

commit-id:bb5df4aa