[Patch/gfortran] PR18109

[Paul Thomas]

This patch cures pr18109 that arise because calls such as:   call foo 
((/"abcd",efgh"/))  cause seg faults.

Bubblestrapped and regtested on i686/RH9:  OK to commit?

The next stop will be character actual arguments in derived 
type(structure) constructors (PR19017) and assignments to derived type 
components(PR19928) because they are very closely related to the 
previous patches.  Watch this space!

Regards

Paul T

2005-05-29 Paul Thomas  <pault@gcc.gnu.org>

    PR fortran/18109
    * fortran/trans-array.c (gfc_conv_expr_descriptor): Obtain the
    string length from the expression typespec character length value
    and set temp_ss->stringlength and backend_decl. Obtain the
    tree expression from gfc_conv_expr rather than gfc_conv_expr_val.
    Dereference the expression to obtain the character.

2005-05-29 Paul Thomas  <pault@gcc.gnu.org>

    * gfortran.dg/char_initialiser_actual.f90:
    Test character initialisers as actual arguments.



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