[Patch, fortran] PR29507 - ICE with array actual for the INDEX intrinsic.

[Paul Thomas]

I temporarily withdraw this patch - I had not realised how general the 
problem is.  I started writing a "scalarizer" this lunchtime; I got as 
far as it compiling and then segfaulting in execution :-)

Paul

>Here it is - thanks Steve and Tobias for giving me a little nudge.
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>Paul
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>>:ADDPATCH fortran:
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>>This PR is due to an ICE which occurs because the simplification
>>of the INDEX intrinsic has no means to handle array constructor
>>arguments.  The fix is a straightforward bit of gfc_expr'ionary
>>and hints at a more general solution in gfc_simplify_expr for all
>>intrinsic calls that expect a scalar argument but receive an array.
>>I propose to keep this PR open, even if this patch is accepted, to
>>function as a TODO for the more general approach. The testcase is
>>Steve's original.
>>
>>Regested on PIV/Cygwin_NT - OK for trunk?
>>
>>Paul
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>>2006-10-19  Paul Thomas  <pault@gcc.gnu.org>
>>
>>	PR fortran/29507
>>	* simplify.c (gfc_simplify_index): If the first argument is
>>	an array, build an array constructor result and call this
>>	function for each of the elements.
>>
>>2006-10-19  Paul Thomas  <pault@gcc.gnu.org>
>>
>>	PR fortran/29507
>>	* gfortran.dg/index_1.f90: New test.
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