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-rw-r--r--polly/lib/External/isl/basis_reduction_templ.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/polly/lib/External/isl/basis_reduction_templ.c b/polly/lib/External/isl/basis_reduction_templ.c
index 4ce2d789b54..a5da1e6dbb2 100644
--- a/polly/lib/External/isl/basis_reduction_templ.c
+++ b/polly/lib/External/isl/basis_reduction_templ.c
@@ -314,7 +314,7 @@ error:
* basis with the equalities first. Otherwise, we start off with
* the identity matrix.
*/
-struct isl_mat *isl_basic_set_reduced_basis(struct isl_basic_set *bset)
+__isl_give isl_mat *isl_basic_set_reduced_basis(__isl_keep isl_basic_set *bset)
{
struct isl_mat *basis;
struct isl_tab *tab;
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