Patch 1/9: Remove dead code

[Bernd Schmidt <bernds@codesourcery.com>]

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Delete a few variables that are never used - there are static versions in
a different file.

	* ira.c (allocno_pool, copy_pool, allocno_live_range_pool): Delete.

Index: gcc/ira.c
===================================================================
--- gcc.orig/ira.c
+++ gcc/ira.c
@@ -331,9 +331,6 @@ int internal_flag_ira_verbose;
 /* Dump file of the allocator if it is not NULL.  */
 FILE *ira_dump_file;
 
-/* Pools for allocnos, copies, allocno live ranges.  */
-alloc_pool allocno_pool, copy_pool, allocno_live_range_pool;
-
 /* The number of elements in the following array.  */
 int ira_spilled_reg_stack_slots_num;