[PATCH, Fortran, committed] PR82511: ICE Bad IO basetype (12) on attempted read or write of entire DEC structure

[Fritz Reese]

All,

The simple attached patch which fixes PR 82511 has been committed to
trunk as r253791. It regtests on x86_64-redhat-linux-gnu.

The issue was an ICE when a variable containing a BT_UNION (basetype
12) component was given in a I/O list. The patch treats the BT_UNION
component as a derived type variable, thus recursing into its final
components (across all of its MAPs).

---
Fritz Reese
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