From bf09dd87b6bde0c7af6b9415661be07b250afa27 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Tue, 20 Jul 2021 19:30:30 -0700
Subject: [PATCH] codegen: fix lowering of AIR br instruction

It incorrectly did not process the death of its operand.
---
 src/codegen.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/codegen.zig b/src/codegen.zig
index 84a47a70ac..bf7f167849 100644
--- a/src/codegen.zig
+++ b/src/codegen.zig
@@ -3404,7 +3404,7 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type {
         fn airBr(self: *Self, inst: Air.Inst.Index) !void {
             const branch = self.air.instructions.items(.data)[inst].br;
             try self.br(branch.block_inst, branch.operand);
-            return self.finishAirBookkeeping();
+            return self.finishAir(inst, .dead, .{ branch.operand, .none, .none });
         }
 
         fn airBoolOp(self: *Self, inst: Air.Inst.Index) !void {