PR fortran/95089 - ICE in gfc_get_derived_type, at fortran/trans-types.c:2843

PR fortran/95089 - ICE in gfc_get_derived_type, at fortran/trans-types.c:2843

For long module name, derive type and component name, the
generated name-mangled symbol did not fit into a buffer when
coarrays were enabled.  Provide sufficiently large temporary.

2020-05-26  Harald Anlauf  <anlauf@gmx.de>

gcc/fortran/
	PR fortran/95089
	* trans-types.c (gfc_get_derived_type): Enlarge temporary to hold
	mangled name "_caf_symbol".

gcc/testsuite/
	PR fortran/95089
	* gfortran.dg/pr95089.f90: New test.