From 403e4e2adc4823f8fc7ab66aa6fadb70696d9ae6 Mon Sep 17 00:00:00 2001
From: Shuhei Kadowaki <40514306+aviatesk@users.noreply.github.com>
Date: Fri, 17 Mar 2023 22:31:23 +0900
Subject: [PATCH] compiler: fix performance issue introduced in #48962 (#49036)

`bb_rename_pred` was captured by #48962, so this commit fixes it up.
This was successfully detected by:
`JET.report_opt(CC.batch_inline!, (CC.IRCode,Vector{Pair{Int,Any}},Bool,CC.OptimizationParams))`
---
 base/compiler/ssair/ir.jl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/base/compiler/ssair/ir.jl b/base/compiler/ssair/ir.jl
index b1b7beec3f3c5..c0146c1dd2d23 100644
--- a/base/compiler/ssair/ir.jl
+++ b/base/compiler/ssair/ir.jl
@@ -1349,7 +1349,9 @@ function process_node!(compact::IncrementalCompact, result_idx::Int, inst::Instr
     elseif isa(stmt, PhiNode)
         if cfg_transforms_enabled
             # Rename phi node edges
-            map!(i -> bb_rename_pred[i], stmt.edges, stmt.edges)
+            let bb_rename_pred=bb_rename_pred
+                map!(i::Int32 -> bb_rename_pred[i], stmt.edges, stmt.edges)
+            end
 
             # Remove edges and values associated with dead blocks. Entries in
             # `values` can be undefined when the phi node refers to something