From 0c8927efed7576d8992c3950601fc19394603a75 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Thu, 25 Sep 2008 17:37:20 +0000
Subject: [PATCH] Avoid a spurious extra space character when printing empty
 structs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56616 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/AsmWriter.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index 6cdf72527bf..1fb229be33c 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -532,11 +532,12 @@ static void calcTypeName(const Type *Ty,
     Result += "{ ";
     for (StructType::element_iterator I = STy->element_begin(),
            E = STy->element_end(); I != E; ++I) {
-      if (I != STy->element_begin())
-        Result += ", ";
       calcTypeName(*I, TypeStack, TypeNames, Result);
+      if (next(I) != STy->element_end())
+        Result += ',';
+      Result += ' ';
     }
-    Result += " }";
+    Result += '}';
     if (STy->isPacked())
       Result += '>';
     break;