From 418d360518811121ad9352af57fdd7ba58a4f917 Mon Sep 17 00:00:00 2001
From: Chuck Rose III <cfr@adobe.com>
Date: Sat, 8 Sep 2007 04:17:08 +0000
Subject: [PATCH] Fix for VisualStudio.  It is treating a 2 bit enum as a
 signed int for comparison purposes, causing failures.  Using an extra bit
 fixes it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41784 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/ADT/APFloat.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/llvm/ADT/APFloat.h b/include/llvm/ADT/APFloat.h
index be7b457054d..83c370eb745 100644
--- a/include/llvm/ADT/APFloat.h
+++ b/include/llvm/ADT/APFloat.h
@@ -276,7 +276,9 @@ namespace llvm {
     exponent_t exponent;
 
     /* What kind of floating point number this is.  */
-    fltCategory category: 2;
+    /* Only 2 bits are required, but VisualStudio incorrectly sign extends 
+       it.  Using the extra bit keeps it from failing under VisualStudio */
+    fltCategory category: 3;
 
     /* The sign bit of this number.  */
     unsigned int sign: 1;