diff --git a/binutils-2.20.51.0.7-gas-long-lines.patch b/binutils-2.20.51.0.7-gas-long-lines.patch
new file mode 100644
index 0000000..524b787
--- /dev/null
+++ b/binutils-2.20.51.0.7-gas-long-lines.patch
@@ -0,0 +1,37 @@
+diff -rcp ../binutils-2.20.51.0.7.orig/gas/ChangeLog gas/ChangeLog
+*** ../binutils-2.20.51.0.7.orig/gas/ChangeLog	2010-11-15 10:22:30.000000000 +0000
+--- gas/ChangeLog	2010-11-15 10:23:12.000000000 +0000
+***************
+*** 1,3 ****
+--- 1,9 ----
++ 2010-03-30  H.J. Lu  <hongjiu.lu@intel.com>
++ 
++ 	PR gas/11456
++ 	* input-scrub.c (input_scrub_next_buffer): Use memmove instead
++ 	of memcpy to copy overlap memory.
++ 
+  2010-03-18  Wei Guozhi  <carrot@google.com>
+  
+  	PR gas/11323
+diff -rcp ../binutils-2.20.51.0.7.orig/gas/input-scrub.c gas/input-scrub.c
+*** ../binutils-2.20.51.0.7.orig/gas/input-scrub.c	2010-11-15 10:22:30.000000000 +0000
+--- gas/input-scrub.c	2010-11-15 10:22:45.000000000 +0000
+*************** input_scrub_next_buffer (char **bufp)
+*** 343,350 ****
+  
+    if (partial_size)
+      {
+!       memcpy (buffer_start + BEFORE_SIZE, partial_where,
+! 	      (unsigned int) partial_size);
+        memcpy (buffer_start + BEFORE_SIZE, save_source, AFTER_SIZE);
+      }
+    limit = input_file_give_next_buffer (buffer_start
+--- 343,350 ----
+  
+    if (partial_size)
+      {
+!       memmove (buffer_start + BEFORE_SIZE, partial_where,
+! 	       (unsigned int) partial_size);
+        memcpy (buffer_start + BEFORE_SIZE, save_source, AFTER_SIZE);
+      }
+    limit = input_file_give_next_buffer (buffer_start
diff --git a/binutils.spec b/binutils.spec
index 92a41c0..40a9908 100644
--- a/binutils.spec
+++ b/binutils.spec
@@ -17,7 +17,7 @@
 Summary: A GNU collection of binary utilities
 Name: %{?cross}binutils%{?_with_debug:-debug}
 Version: 2.20.51.0.7
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: GPLv3+
 Group: Development/Tools
 URL: http://sources.redhat.com/binutils
@@ -35,6 +35,7 @@ Patch09: binutils-2.20.51.0.7-do-not-bind-unique-symbols-locally.patch
 Patch10: binutils-2.20.51.0.7-dwarf4.patch
 Patch11: binutils-2.20.51.0.7-unique-archive-symbols.patch
 Patch12: binutils-2.20.51.0.7-gold-INPUT.patch
+Patch13: binutils-2.20.51.0.7-gas-long-lines.patch
 
 %define gold_arches %ix86 x86_64
 
@@ -137,6 +138,7 @@ using libelf instead of BFD.
 %patch10 -p0 -b .dwarf4~
 %patch11 -p0 -b .unique~
 %patch12 -p0 -b .gold-input~
+%patch13 -p0 -b .long-lines~
 
 # We cannot run autotools as there is an exact requirement of autoconf-2.59.
 
@@ -419,6 +421,9 @@ exit 0
 %endif # %{isnative}
 
 %changelog
+* Mon Nov  15 2010 Nick Clifton <nickc@redhat.com> - 2.20.51.0.7-6
+- Fix problem assembling long lines.  (PR 11456, BZ 643305)
+
 * Wed Jun  30 2010 Nick Clifton <nickc@redhat.com> - 2.20.51.0.7-5
 - Rename the binutils-static package to binutils-devel in line with the Fedora packaging guidelines.