[gcc r13-1360] remove dead member variable in dom_jt_state

[Martin Liska <marxin@gcc.gnu.org>]

https://gcc.gnu.org/g:721aa2cc44d143e49a704bc8238b3d0d5f750a49

commit r13-1360-g721aa2cc44d143e49a704bc8238b3d0d5f750a49
Author: Martin Liska <mliska@suse.cz>
Date:   Thu Jun 30 10:23:28 2022 +0200

    remove dead member variable in dom_jt_state
    
    gcc/ChangeLog:
    
            * tree-ssa-dom.cc (pass_dominator::execute): Remove m_ranger as
            it is unused.

Diff:
---
 gcc/tree-ssa-dom.cc | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/gcc/tree-ssa-dom.cc b/gcc/tree-ssa-dom.cc
index dcaf4672b66..9b6520fd2dd 100644
--- a/gcc/tree-ssa-dom.cc
+++ b/gcc/tree-ssa-dom.cc
@@ -588,9 +588,8 @@ record_edge_info (basic_block bb)
 class dom_jt_state : public jt_state
 {
 public:
-  dom_jt_state (const_and_copies *copies, avail_exprs_stack *avails,
-		gimple_ranger *ranger)
-    : m_copies (copies), m_avails (avails), m_ranger (ranger)
+  dom_jt_state (const_and_copies *copies, avail_exprs_stack *avails)
+    : m_copies (copies), m_avails (avails)
   {
   }
   void push (edge e) override
@@ -613,7 +612,6 @@ public:
 private:
   const_and_copies *m_copies;
   avail_exprs_stack *m_avails;
-  gimple_ranger *m_ranger;
 };
 
 void
@@ -794,7 +792,7 @@ pass_dominator::execute (function *fun)
   gimple_ranger *ranger = enable_ranger (fun);
   path_range_query path_query (/*resolve=*/true, ranger);
   dom_jt_simplifier simplifier (avail_exprs_stack, ranger, &path_query);
-  dom_jt_state state (const_and_copies, avail_exprs_stack, ranger);
+  dom_jt_state state (const_and_copies, avail_exprs_stack);
   jump_threader threader (&simplifier, &state);
   dom_opt_dom_walker walker (CDI_DOMINATORS,
 			     &threader,