From 8daddcfa0aff457266202a8741a5ea93a545172f Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sat, 11 Apr 2020 23:09:54 +0200
Subject: [PATCH] LibX86: Fix duplicate '+' in SIB byte disassembly

For SIB bytes with base but no index, we were emitting two '+' chars
which looked very off.
---
 Libraries/LibX86/Instruction.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Libraries/LibX86/Instruction.cpp b/Libraries/LibX86/Instruction.cpp
index 530d347571..eb5eff8d4d 100644
--- a/Libraries/LibX86/Instruction.cpp
+++ b/Libraries/LibX86/Instruction.cpp
@@ -1170,7 +1170,8 @@ static String sib_to_string(u8 rm, u8 sib)
         builder.append(scale);
     } else {
         builder.append(base);
-        builder.append('+');
+        if (!base.is_empty() && !index.is_empty())
+            builder.append('+');
         builder.append(index);
         builder.append(scale);
     }