llvm-project

b5dbf821 - [flang] Enable delayed localization by default for `do concurrent` (#144074)

[flang] Enable delayed localization by default for `do concurrent` (#144074) Reintroduces changes from https://github.com/llvm/llvm-project/issues/143897. A fix for the reported problem in https://github.com/llvm/llvm-project/issues/143897 is hopefully resolved in https://github.com/llvm/llvm-project/pull/144027. This PR aims to make it easier and more self-contained to revert the switch/flag if we discover any problems with enabling it by default.