
This reverts commit ec05b883653ba1bb9e92399f78b99a9d9342efc0. Reason: buildbot breakage (https://lab.llvm.org/buildbot/#/builders/66/builds/5904) /home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/lib/LineEditor/LineEditor.cpp:23:15: error: unused variable 'DefaultHistorySize' [-Werror,-Wunused-const-variable] 23 | constexpr int DefaultHistorySize = 800; | ^~~~~~~~~~~~~~~~~~ 1 error generated.