Remove unused variable.

Addresses the following clang warning:
gcc/tree-ssa-dom.c:652:33: warning: private field 'm_simplifier' is not used [-Wunused-private-field]

gcc/ChangeLog:

	* tree-ssa-dom.c: Remove m_simplifier.

diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c
index 11b86b2..075b1cc 100644 (file)
--- a/gcc/tree-ssa-dom.c
+++ b/gcc/tree-ssa-dom.c
@@ -649,7 +649,6 @@ private:
 
   void test_for_singularity (gimple *, avail_exprs_stack *);
 
-  dom_jump_threader_simplifier *m_simplifier;
   jump_threader *m_threader;
   evrp_range_analyzer *m_evrp_range_analyzer;
 };