[llvm] [flang][runtime] Check SOURCE= conformability on ALLOCATE (PR #144113)

[Daniel Chen via llvm-commits]

https://github.com/DanielCChen commented:

All ifort, gfortran and XLF issues a compile time error message instead of runtime message and coredump.
Can Flang also check it at the compile time?

https://github.com/llvm/llvm-project/pull/144113