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-rw-r--r--gcc/fortran/interface.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c
index dd1ac69..7b0c423 100644
--- a/gcc/fortran/interface.c
+++ b/gcc/fortran/interface.c
@@ -1455,6 +1455,13 @@ compare_actual_formal (gfc_actual_arglist ** ap,
{
if (new[i] != NULL)
continue;
+ if (f->sym == NULL)
+ {
+ if (where)
+ gfc_error ("Missing alternate return spec in subroutine call at %L",
+ where);
+ return 0;
+ }
if (!f->sym->attr.optional)
{
if (where)