[Patch, Fortran] PR34248 - ICE with assumed-length character functions having RESULT(...)

[Tobias Burnus]

:ADDPATCH fortran:

gfortran is currently crashing for assumed-length character functions if
"RESULT(variable)" is specified.

The attached patch fixes this. (Actually, only the "sym->ts.cl->length"
is NULL.)

Build and regression tested on x86-64 Linux.
OK for the trunk?

Tobias

PS: Could someone also review the following patch?

http://gcc.gnu.org/ml/gcc-patches/2007-11/msg01062.html
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