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authorMikael Morin <mikael@gcc.gnu.org>2013-03-03 17:52:02 +0000
committerMikael Morin <mikael@gcc.gnu.org>2013-03-03 17:52:02 +0000
commitd6a5de161587f701089fdafada742cf275ccd7f8 (patch)
tree542b966e4ddfa5b7b5c9ccf60d29ed08c14b363b /gcc/fortran/array.c
parentcb8a1637a9914fb25bfbc9604fc20ca5e6c0601e (diff)
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re PR fortran/54730 (ICE in gfc_typenode_for_spec, at fortran/trans-types.c:1066)
fortran/ PR fortran/54730 * array.c (gfc_match_array_constructor): Set a checkpoint before matching a typespec. Drop it on success, restore it otherwise. testsuite/ PR fortran/54730 * gfortran.dg/array_constructor_42.f90: New test. From-SVN: r196416
Diffstat (limited to 'gcc/fortran/array.c')
-rw-r--r--gcc/fortran/array.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/gcc/fortran/array.c b/gcc/fortran/array.c
index 6787c05..6ee292c 100644
--- a/gcc/fortran/array.c
+++ b/gcc/fortran/array.c
@@ -1046,6 +1046,7 @@ match
gfc_match_array_constructor (gfc_expr **result)
{
gfc_constructor_base head, new_cons;
+ gfc_undo_change_set changed_syms;
gfc_expr *expr;
gfc_typespec ts;
locus where;
@@ -1074,6 +1075,7 @@ gfc_match_array_constructor (gfc_expr **result)
/* Try to match an optional "type-spec ::" */
gfc_clear_ts (&ts);
+ gfc_new_undo_checkpoint (changed_syms);
if (gfc_match_decl_type_spec (&ts, 0) == MATCH_YES)
{
seen_ts = (gfc_match (" ::") == MATCH_YES);
@@ -1082,19 +1084,28 @@ gfc_match_array_constructor (gfc_expr **result)
{
if (gfc_notify_std (GFC_STD_F2003, "Array constructor "
"including type specification at %C") == FAILURE)
- goto cleanup;
+ {
+ gfc_restore_last_undo_checkpoint ();
+ goto cleanup;
+ }
if (ts.deferred)
{
gfc_error ("Type-spec at %L cannot contain a deferred "
"type parameter", &where);
+ gfc_restore_last_undo_checkpoint ();
goto cleanup;
}
}
}
- if (! seen_ts)
- gfc_current_locus = where;
+ if (seen_ts)
+ gfc_drop_last_undo_checkpoint ();
+ else
+ {
+ gfc_restore_last_undo_checkpoint ();
+ gfc_current_locus = where;
+ }
if (gfc_match (end_delim) == MATCH_YES)
{