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authorSteven G. Kargl <kargl@gcc.gnu.org>2018-01-10 23:26:15 +0000
committerSteven G. Kargl <kargl@gcc.gnu.org>2018-01-10 23:26:15 +0000
commitbdd82c9b9975a8bca850b99cd5cee75e6ed3c127 (patch)
treef4a5914f6c206ced8e44b8db873a905434bccc68 /gcc/fortran/resolve.c
parent68dc87c3600fe0b6b629b45e5efc058c32b7bccc (diff)
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re PR fortran/82367 (ICE with deferred length string allocate on non-deferred length argument)
2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/82367 * resolve.c (resolve_allocate_expr): Check for NULL pointer. 2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/82367 * gfortran.dg/deferred_character_18.f90: New test. From-SVN: r256464
Diffstat (limited to 'gcc/fortran/resolve.c')
-rw-r--r--gcc/fortran/resolve.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 1950483..e9f91d8 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -7484,8 +7484,13 @@ resolve_allocate_expr (gfc_expr *e, gfc_code *code, bool *array_alloc_wo_spec)
if (code->ext.alloc.ts.type == BT_CHARACTER && !e->ts.deferred
&& !UNLIMITED_POLY (e))
{
- int cmp = gfc_dep_compare_expr (e->ts.u.cl->length,
- code->ext.alloc.ts.u.cl->length);
+ int cmp;
+
+ if (!e->ts.u.cl->length)
+ goto failure;
+
+ cmp = gfc_dep_compare_expr (e->ts.u.cl->length,
+ code->ext.alloc.ts.u.cl->length);
if (cmp == 1 || cmp == -1 || cmp == -3)
{
gfc_error ("Allocating %s at %L with type-spec requires the same "