From 19d4a622c525428048da221ef0282f903c4bd6f3 Mon Sep 17 00:00:00 2001
From: "Vladimir N. Makarov" <vmakarov.gcc@gmail.com>
Date: Fri, 14 Jun 2024 15:09:02 -0400
Subject: [PATCH] Check scan_vars_num on MIR_MAX_COALESCE_VARS in
 consider_move_vars_only.

---
 mir-gen.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mir-gen.c b/mir-gen.c
index b17a5d73a3..85de5e9c94 100644
--- a/mir-gen.c
+++ b/mir-gen.c
@@ -6131,7 +6131,7 @@ static int consider_move_vars_only (gen_ctx_t gen_ctx) {
   bitmap_clear (temp_bitmap);
   scan_vars_num = 0;
   scan_collected_moves (gen_ctx);
-  return scan_vars_num > 0;
+  return scan_vars_num > 0 && scan_vars_num < MIR_MAX_COALESCE_VARS;
 }
 
 static void add_bb_insn_dead_vars (gen_ctx_t gen_ctx) {