isl_space.c: global_pos: return negative value on error
commitbd0d3aea08d20302812015848e7cf3119634b0af
authorSven Verdoolaege <sven.verdoolaege@gmail.com>
Tue, 21 Aug 2018 09:33:17 +0000 (21 11:33 +0200)
committerSven Verdoolaege <sven.verdoolaege@gmail.com>
Sun, 2 Sep 2018 15:14:53 +0000 (2 17:14 +0200)
treec265f18195a168802dafeeb0f67dea082c728e2e
parent03086e0f9bd3cd7c619ecdb269a67e14ea34ce27
isl_space.c: global_pos: return negative value on error

This is more consistent with other parts of isl.

Signed-off-by: Sven Verdoolaege <sven.verdoolaege@gmail.com>
isl_space.c