[PATCH][OpenACC] update gfortran's tile clause error handling

[Cesar Philippidis]

This patch updates how the OpenACC tile clause is handled in the Fortran
FE to match it's behavior in C/C++. Specifically, the tile clause now
errors on negative integer arguments, instead of emitting a warning.

Is this OK for trunk?

Thanks,
Cesar

[Jakub Jelinek]

Post by Cesar Philippidis
This patch updates how the OpenACC tile clause is handled in the Fortran
FE to match it's behavior in C/C++. Specifically, the tile clause now
errors on negative integer arguments, instead of emitting a warning.
Is this OK for trunk?

I've reviewed this already in some other patch, this is not ok, if
that is what you want for OpenACC, you need to copy the function to some
other one and adjust callers to use it for OpenACC clauses only.

Post by Cesar Philippidis

From af39a6d65cfb46397fa62c88521189002fb3d705 Mon Sep 17 00:00:00 2001

Date: Mon, 3 Oct 2016 13:58:59 +0000
Subject: [PATCH] [OpenACC] update gfortran's tile clause error handling
gcc/fortran/
* openmp.c (resolve_positive_int_expr): Promote the warning to an
error.
gcc/testsuite/
* gfortran.dg/goacc/loop-2.f95: Change expected tile clause
warnings to errors.
* gfortran.dg/goacc/loop-5.f95: Likewise.
* gfortran.dg/goacc/sie.f95: Likewise.
* gfortran.dg/goacc/tile-1.f90: New test.
* gfortran.dg/goacc/tile-2.f90: New test.

Jakub