This third patch in the series removes version 5.0 string from
test cases making them check for default version. It also add test
cases for version 4.5.
Reviewed By: ABataev
Differential Revision: https://reviews.llvm.org/D85214
According to OpenMP 5.0, cancel and cancellation point constructs are
supported in taskloop directive. Added support for cancellation in
taskloop, master taskloop and parallel master taskloop.
