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Andre Vehreschild authored
Exposing a variable in a module and referencing it in a submodule made
the compiler ICE, because the external variable was not sorted into the
correct module.  In fact the module name was not set where the variable
got built.

gcc/fortran/ChangeLog:

	PR fortran/80235

	* trans-decl.cc (gfc_build_qualified_array): Make sure the array
	is associated to the correct module and being marked as extern.

gcc/testsuite/ChangeLog:

	* gfortran.dg/coarray/add_sources/submodule_1_sub.f90: New test.
	* gfortran.dg/coarray/submodule_1.f90: New test.
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