[Patch, forran] PR26107 - ICE after error message

[Paul Thomas]

:ADDPATCH fortran:

This is a very short fix to prevent an ICE occurring, following an error 
in resolve_function.  pure_function returns the name of the function, 
which is not made available because of the failure in the test of the 
type of the dummy argument being fed to LEN.  The patch merely adds a 
test that the name is non-null to the test for pureness.

Retested on FC3/Athlon; OK for mainline and 4.1?

Paul

2006-03-03  Paul Thomas  <pault@gcc.gnu.org>

    PR fortran/26107
    * resolve.c (resolve_function): Add name after test for pureness.

2006-03-03  Paul Thomas  <pault@gcc.gnu.org>

    PR fortran/26107
    * pure_dummy_length_1.f90: New test.

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