[patch, libfortran] Fix PR 35960, zero-sized reshape

[Thomas Koenig]

Hello world,

the following patch is a straightforward fix for when the SHAPE argument
is zero for the reshape intrinsic.  The test case is the reporter's.
Regression-tested on i686-pc-linux-gnu.

OK for trunk?

	Thomas

2008-04-20  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/35960
	* intrinsics/reshape_generic.c (reshape_internal): If the size
	of the resized array is zero, as determined by the SHAPE
	argument, return early.
	* m4/reshape.m4:  Likewise.
	* generated/reshape_i4.c:  Regererated.
	* generated/reshape_i8.c:  Regenerated.
	* generated/reshape_i16.c:  Regenerated.
	* generated/reshape_r4.c:  Regenerated.
	* generated/reshape_r8.c:  Regenerated.
	* generated/reshape_r10.c:  Regenerated.
	* generated/reshape_r16.c:  Regenerated.
	* generated/reshape_c4.c:  Regenerated.
	* generated/reshape_c8.c:  Regenerated.
	* generated/reshape_c10.c:  Regenerated.
	* generated/reshape_c16.c:  Regenerated.

2008-04-20  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/35960
	* gfortran.dg/reshape_zerosize_1.f90:  New file.


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