[gcc(refs/users/marxin/heads/loop-unswitch-improvement-v7)] Do not use auto_vec.

[Martin Liska]

https://gcc.gnu.org/g:cb25f054139d8c87659736ec1de29edf8f6405a6

commit cb25f054139d8c87659736ec1de29edf8f6405a6
Author: Martin Liska <mliska@suse.cz>
Date:   Wed Dec 1 15:49:30 2021 +0100

    Do not use auto_vec.

Diff:
---
 gcc/tree-ssa-loop-unswitch.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c
index 4eb5e442da4..42df2c4cc11 100644
--- a/gcc/tree-ssa-loop-unswitch.c
+++ b/gcc/tree-ssa-loop-unswitch.c
@@ -101,7 +101,6 @@ static vec<vec<unswitch_predicate *>> *bb_predicates = NULL;
 static gimple_ranger *ranger = NULL;
 
 /* The type represents a predicate path leading to a basic block.  */
-typedef vec<std::pair<unswitch_predicate *, bool>> auto_predicate_vector;
 typedef vec<std::pair<unswitch_predicate *, bool>> predicate_vector;
 
 static class loop *tree_unswitch_loop (class loop *, basic_block, tree);
@@ -201,7 +200,8 @@ tree_ssa_unswitch_loops (void)
 	  unsigned int budget
 	    = init_loop_unswitch_info (loop) + param_max_unswitch_insns;
 
-	  auto_predicate_vector predicate_path;
+	  predicate_vector predicate_path;
+	  predicate_path.create (8);
 	  changed |= tree_unswitch_single_loop (loop, 0, predicate_path,
 						budget);