Change instances where options which are boolean are assigned the value 1|0 to use true|false instead. Reviewed By: aaron.ballman Differential Revision: https://reviews.llvm.org/D101721
The flag allows classes to don't define move operations when copy operations are explicitly deleted. This flag is related to Google C++ Style Guide https://google.github.io/styleguide/cppguide.html#Copyable_Movable_Types