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-rw-r--r--gcc/fortran/interface.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c
index 521876e..bc99aab 100644
--- a/gcc/fortran/interface.c
+++ b/gcc/fortran/interface.c
@@ -1296,6 +1296,17 @@ compare_actual_formal (gfc_actual_arglist ** ap,
}
}
+ if (f->sym->attr.flavor == FL_PROCEDURE
+ && f->sym->attr.pure
+ && a->expr->ts.type == BT_PROCEDURE
+ && !a->expr->symtree->n.sym->attr.pure)
+ {
+ if (where)
+ gfc_error ("Expected a PURE procedure for argument '%s' at %L",
+ f->sym->name, &a->expr->where);
+ return 0;
+ }
+
if (f->sym->as
&& f->sym->as->type == AS_ASSUMED_SHAPE
&& a->expr->expr_type == EXPR_VARIABLE