[Patch, Fortran] PR 38536 ICE with C_LOC on consecutive array and substring references.

[Mikael Morin]

Mikael Morin wrote:
> Hello,
> 
> this fixes part of PR 38536, where the following was leading to an ICE:
> 
> f_ptr = C_LOC(chrScalar%c(1)(1:1))
> 
> 
> The code checking for pointerness of the argument (which is where the
> ICE occurs) has been "rewritten" using gfc_is_data_pointer.
> 
> One of the testcase is that of the PR.
> The other one is a newly accepted program (and valid I think).
> 
> regression-tested on x86-64-unknown-linux-gnu.
> 
> OK for trunk (and later 4.3?), or should I wait for 4.5?
> 
> Mikael
> 
> 

Surprise! there was no patch!


2008-12-30  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38536
	* gfortran.dg/c_loc_tests_13.f90: New test.
	* gfortran.dg/c_loc_tests_14.f90: New test.

2008-12-30  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38536
	* gfortran.h (gfc_is_data_pointer): Added prototype
	* resolve.c (gfc_iso_c_func_interface):
	Use gfc_is_data_pointer to test for pointer attribute.
	* dependency.c (gfc_is_data_pointer):
	Support pointer-returning functions.
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