[lldb/LibCxx] Have ExtractLibcxxStringInfo return an Optional result, NFC
authorVedant Kumar <vsk@apple.com>
Wed, 5 Feb 2020 17:46:51 +0000 (09:46 -0800)
committerVedant Kumar <vsk@apple.com>
Wed, 12 Feb 2020 19:24:03 +0000 (11:24 -0800)
commit90a94c02fb243f0b49ee9933b0e8145147f84e32
treeb400dbbd58a663f87a59f2470a74aab5ec559df0
parent7aabad131288a598c90903ae7d96383105ae3fc2
[lldb/LibCxx] Have ExtractLibcxxStringInfo return an Optional result, NFC

Differential Revision: https://reviews.llvm.org/D74018
lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp