[Patch, fortran] PR24207 (and PR21896) - incorrect application of private attribute.

[Paul Thomas]

:ADDPATCH fortran:

This patch fixes PR24207, in which a private variable was being denied a 
namelist in a contained procedure in the same module, and an over 
zealous patch for PR21986, which did the same for use associated derived 
type arguments in a public procedure.  In the case of contained 
namelists, both use associated and host associated symbols must be 
permitted, whereas only use associated symbols are permitted for public 
procedures.  Trying to use associate private symbols is caught 
elesewhere.  The patch modifies the appropriate conditions in resolve.c 
(resolve_symbol).

Bubblestrapped and regtested on Cygwin_NT/Athlon.  OK for mainline and 4.0?

Paul T




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