diff options
Diffstat (limited to 'gcc/fortran/expr.c')
-rw-r--r-- | gcc/fortran/expr.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c index a10a17d..900242d 100644 --- a/gcc/fortran/expr.c +++ b/gcc/fortran/expr.c @@ -3641,29 +3641,44 @@ gfc_check_assign (gfc_expr *lvalue, gfc_expr *rvalue, int conform, && !gfc_check_conformance (lvalue, rvalue, "array assignment")) return false; - if (rvalue->ts.type == BT_BOZ && lvalue->ts.type != BT_INTEGER - && lvalue->symtree->n.sym->attr.data - && !gfc_notify_std (GFC_STD_GNU, "BOZ literal at %L used to " - "initialize non-integer variable %qs", - &rvalue->where, lvalue->symtree->n.sym->name)) - return false; - else if (rvalue->ts.type == BT_BOZ && !lvalue->symtree->n.sym->attr.data - && !gfc_notify_std (GFC_STD_GNU, "BOZ literal at %L outside " - "a DATA statement and outside INT/REAL/DBLE/CMPLX", - &rvalue->where)) - return false; - /* Handle the case of a BOZ literal on the RHS. */ if (rvalue->ts.type == BT_BOZ) { - /* FIXME BOZ. Need gfc_invalid_boz() here?. */ + if (lvalue->symtree->n.sym->attr.data) + { + if (lvalue->ts.type == BT_INTEGER + && gfc_boz2int (rvalue, lvalue->ts.kind)) + return true; + + if (lvalue->ts.type == BT_REAL + && gfc_boz2real (rvalue, lvalue->ts.kind)) + { + if (gfc_invalid_boz ("BOZ literal constant near %L cannot " + "be assigned to a REAL variable", + &rvalue->where)) + return false; + return true; + } + } + + if (!lvalue->symtree->n.sym->attr.data + && gfc_invalid_boz ("BOZ literal constant at %L is neither a " + "data-stmt-constant nor an actual argument to " + "INT, REAL, DBLE, or CMPLX intrinsic function", + &rvalue->where)) + return false; + if (lvalue->ts.type == BT_INTEGER && gfc_boz2int (rvalue, lvalue->ts.kind)) return true; + if (lvalue->ts.type == BT_REAL && gfc_boz2real (rvalue, lvalue->ts.kind)) return true; + gfc_error ("BOZ literal constant near %L cannot be assigned to a " + "%qs variable", &rvalue->where, gfc_typename (&lvalue->ts)); + return false; } |