From 73d7e89c323bde2eab024fc88fb5701391145892 Mon Sep 17 00:00:00 2001
From: David Given <dg@cowlark.com>
Date: Sat, 1 Oct 2016 23:41:03 +0200
Subject: [PATCH] Show expression trees correctly.

---
 mach/proto/mcg/ir.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mach/proto/mcg/ir.c b/mach/proto/mcg/ir.c
index d2b64b162..0aea3ea50 100644
--- a/mach/proto/mcg/ir.c
+++ b/mach/proto/mcg/ir.c
@@ -140,7 +140,7 @@ static void print_expr(char k, const struct ir* ir)
 		default:
             if (ir->left)
             {
-                if (ir->left->root == ir->root)
+                if (ir->left->root != ir->root)
                     tracef(k, "$%d", ir->left->id);
                 else
                     print_expr(k, ir->left);
@@ -148,7 +148,7 @@ static void print_expr(char k, const struct ir* ir)
             if (ir->right)
             {
                 tracef(k, ", ");
-                if (ir->right->root == ir->root)
+                if (ir->right->root != ir->root)
                     tracef(k, "$%d", ir->right->id);
                 else
                     print_expr(k, ir->right);
-- 
2.34.1