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authorSteven G. Kargl <kargl@gcc.gnu.org>2018-06-13 19:37:50 +0000
committerSteven G. Kargl <kargl@gcc.gnu.org>2018-06-13 19:37:50 +0000
commit010b9a3ec010d3cf5c76ba98e9a6438ad5bf7a76 (patch)
tree08e2c886a4310e1d07af582d4702c9e39e01184a /gcc/fortran/array.c
parentde001ec7773be17f0fc44e3d7a6e64b8fee40581 (diff)
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re PR fortran/86110 (ICE in gfc_resolve_character_array_constructor, at fortran/array.c:2044)
2018-06-13 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/86110 * array.c (gfc_resolve_character_array_constructor): Avoid NULL pointer dereference. 2018-06-13 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/86110 * gfortran.dg/pr86110.f90: New test. From-SVN: r261561
Diffstat (limited to 'gcc/fortran/array.c')
-rw-r--r--gcc/fortran/array.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/fortran/array.c b/gcc/fortran/array.c
index 031ab76..e4926d7 100644
--- a/gcc/fortran/array.c
+++ b/gcc/fortran/array.c
@@ -2040,7 +2040,9 @@ got_charlen:
gfc_ref *ref;
for (ref = p->expr->ref; ref; ref = ref->next)
if (ref->type == REF_SUBSTRING
+ && ref->u.ss.start
&& ref->u.ss.start->expr_type == EXPR_CONSTANT
+ && ref->u.ss.end
&& ref->u.ss.end->expr_type == EXPR_CONSTANT)
break;