[PATCH] PR fortran/86587 -- PRIVATE and BIND(C) are allowed for derived type

[Steve Kargl]

Revision 126185 introduced ISO C Binding to gfortran.
In that revision, a check for a conflict between a
derived type with the PRIVATE attribute and BIND(C) was
introduced.  After checking the F2003, F2008, and F2018
standards, I cannot find this restriction.  Thus, the
check is removed by the attached patch.  Regression 
checked on x86_64-*-freebsd.  OK to commit?

2019-06-19  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/86587
	* symbol.c (verify_bind_c_derived_type): Remove erroneous error
	checking for BIND(C) and PRIVATE attributes.

2019-06-19  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/86587
	* gfortran.dg/pr86587.f90: New test.

-- 
Steve
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