Proton enabled LTO on Clang, we need llvm-10-dev in CI
@@ -62,7 +62,7 @@ jobs:
dist: focal
compiler: clang
before_install:
- - sudo apt-get install clang-10
+ - sudo apt-get install clang-10 llvm-10-dev
# https://github.com/pypa/virtualenv/issues/1740
# https://github.com/pypa/virtualenv/issues/1873
- python -m pip install --user --upgrade pip
