From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 22 Mar 2011 07:48:10 +0000 (-0700)
Subject: * scroll.c (do_scrolling): Work around GCC bug 48228.
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* scroll.c (do_scrolling): Work around GCC bug 48228.

See <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48228>.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index e4069516e53..79d03bc4217 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-22  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* scroll.c (do_scrolling): Work around GCC bug 48228.
+	See <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48228>.
+
 2011-03-21  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* frame.c (Fmodify_frame_parameters): Simplify loop counter.
diff --git a/src/scroll.c b/src/scroll.c
index 33af18d2090..f013ebbee0e 100644
--- a/src/scroll.c
+++ b/src/scroll.c
@@ -245,8 +245,8 @@ do_scrolling (struct frame *frame, struct glyph_matrix *current_matrix, struct m
   int i, j, k;
 
   /* Set to 1 if we have set a terminal window with
-     set_terminal_window.  */
-  int terminal_window_p = 0;
+     set_terminal_window.  It's unsigned to work around GCC bug 48228.  */
+  unsigned int terminal_window_p = 0;
 
   /* A queue for line insertions to be done.  */
   struct queue { int count, pos; };