tree cddbcc482d8c036c96f0db8c8e785e3528ed0901
parent 10940e2620dc48aad7d3837e8a2db837af8ea1e0
author Dave Lee <davelee.com@gmail.com> 1612834433 -0800
committer Copybara-Service <copybara-worker@google.com> 1612899590 -0800

[lldb] Fix crash in FormatEntity for mangled-name

Check a `Block` pointer before dereferencing.

Using `function.mangled-name` led to a crash for a frame where the symbol
context had no block info. In my case, the frame's function was a system frame.

Differential Revision: https://reviews.llvm.org/D96307

GitOrigin-RevId: 7dc324aafa2b17a4f9a992b9727a3642505053a6