diff options
Diffstat (limited to 'gcc/fortran/parse.c')
| -rw-r--r-- | gcc/fortran/parse.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/fortran/parse.c b/gcc/fortran/parse.c index 0522b39..6d7845e 100644 --- a/gcc/fortran/parse.c +++ b/gcc/fortran/parse.c @@ -4588,6 +4588,9 @@ gfc_check_do_variable (gfc_symtree *st) { gfc_state_data *s; + if (!st) + return 0; + for (s=gfc_state_stack; s; s = s->previous) if (s->do_variable == st) { |