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isl_aff_gist: add missing isl_vec_cow
[platform/upstream/isl.git]
/
isl_aff.c
diff --git
a/isl_aff.c
b/isl_aff.c
index
372afb6
..
79fd8d5
100644
(file)
--- a/
isl_aff.c
+++ b/
isl_aff.c
@@
-1276,7
+1276,8
@@
static __isl_give isl_aff *isl_aff_substitute_equalities_lifted(
aff->ls = isl_local_space_substitute_equalities(aff->ls,
isl_basic_set_copy(eq));
- if (!aff->ls)
+ aff->v = isl_vec_cow(aff->v);
+ if (!aff->ls || !aff->v)
goto error;
total = 1 + isl_space_dim(eq->dim, isl_dim_all);