/* This file contains the definitions and documentation for the
tree codes used in GCC.
- Copyright (C) 1987-2019 Free Software Foundation, Inc.
+ Copyright (C) 1987-2020 Free Software Foundation, Inc.
This file is part of GCC.
is a 'default' label.
Operand 1 is CASE_HIGH. If it is NULL_TREE, the label is a simple
(one-value) case label. If it is non-NULL_TREE, the case is a range.
- Operand 2 is CASE_LABEL, which is is the corresponding LABEL_DECL.
+ Operand 2 is CASE_LABEL, which has the corresponding LABEL_DECL.
Operand 3 is CASE_CHAIN. This operand is only used in tree-cfg.c to
speed up the lookup of case labels which use a particular edge in
the control flow graph. */