MOVE_ALLOC requires that `to` be type compatible with `from`. Could the compiler please diagnose when this requirement is not met.
MODULE m
IMPLICIT NONE
TYPE :: NotMyParent
END TYPE NotMyParent
TYPE :: NotAnExtension
END TYPE NotAnExtension
CONTAINS
SUBROUTINE proc
CLASS(NotMyParent), ALLOCATABLE :: to
TYPE(NotAnExtension), ALLOCATABLE :: from
!****
CALL MOVE_ALLOC(from, to)
END SUBROUTINE proc
END MODULE m
>ifort /c /check:all /warn:all /standard-semantics move-alloc-not-an-extension.f90
Intel(R) Visual Fortran Intel(R) 64 Compiler XE for applications running on Intel(R) 64, Version 15.0.0.108 Build 201407
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(... hours of fun and games begin here...)
