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-rw-r--r--gcc/fortran/parse.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/fortran/parse.c b/gcc/fortran/parse.c
index 6e36ea2..2d17167 100644
--- a/gcc/fortran/parse.c
+++ b/gcc/fortran/parse.c
@@ -1782,6 +1782,20 @@ decl:
/* Read data declaration statements. */
st = parse_spec (ST_NONE);
+ /* Since the interface block does not permit an IMPLICIT statement,
+ the default type for the function or the result must be taken
+ from the formal namespace. */
+ if (new_state == COMP_FUNCTION)
+ {
+ if (prog_unit->result == prog_unit
+ && prog_unit->ts.type == BT_UNKNOWN)
+ gfc_set_default_type (prog_unit, 1, prog_unit->formal_ns);
+ else if (prog_unit->result != prog_unit
+ && prog_unit->result->ts.type == BT_UNKNOWN)
+ gfc_set_default_type (prog_unit->result, 1,
+ prog_unit->formal_ns);
+ }
+
if (st != ST_END_SUBROUTINE && st != ST_END_FUNCTION)
{
gfc_error ("Unexpected %s statement at %C in INTERFACE body",