[patch, fortran] PR34540 and 34387 cshift, eoshift, kind=1 and kind=2 arguments.

[Jerry DeLisle]

Hi,

This patch is a twofer.  It should fix the optional_dim_2.f90 problem on targets 
like hppa and mips.  I have not tested there and I am waiting for test results.

The problem is fixed by creating a temporary which is then used to convert the 
type of the dummy argument.  Then the address of this temporary is passed to the 
function, testing for NULL along the way. New test case developed from Thomas 
test case in PR34540.

Regression tested on x86-64, ppc64, and i686-Cygwin.

OK for trunk.  Note: I will wait for other target test results before committing.

Jerry

2008-01-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/34387
	* trans-expr.c (gfc_conv_missing_dummy): Use a temporary to type convert
	the dummy variable expression, test for NULL, and pass the variable
	address to the called function.

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