diff -Nru llvm-3.1-3.1/debian/changelog llvm-3.1-3.1/debian/changelog
--- llvm-3.1-3.1/debian/changelog	2012-07-01 19:29:07.000000000 +0200
+++ llvm-3.1-3.1/debian/changelog	2012-08-27 21:18:10.000000000 +0200
@@ -1,3 +1,11 @@
+llvm-3.1 (3.1-2ubuntu1) quantal; urgency=low
+
+  * Link LLVMgold.so against libLTO which was broken due to ld --as-needed.
+    (LP: #1026359)
+    - Add 1001-link-llvmgold-lto.diff, cherry-picked from upstream.
+
+ -- Felix Geyer <debfx@ubuntu.com>  Mon, 27 Aug 2012 21:17:48 +0200
+
 llvm-3.1 (3.1-2) unstable; urgency=low
 
   * llvm-3.1 did not include line number information recognizable by gdb
diff -Nru llvm-3.1-3.1/debian/control llvm-3.1-3.1/debian/control
--- llvm-3.1-3.1/debian/control	2012-07-01 19:30:30.000000000 +0200
+++ llvm-3.1-3.1/debian/control	2012-08-27 21:18:15.000000000 +0200
@@ -1,7 +1,8 @@
 Source: llvm-3.1
 Section: devel
 Priority: optional
-Maintainer: LLVM Packaging Team <pkg-llvm-team@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: LLVM Packaging Team <pkg-llvm-team@lists.alioth.debian.org>
 Uploaders: Arthur Loiret <aloiret@debian.org>, Sylvestre Ledru <sylvestre@debian.org>
 Build-Depends: debhelper (>= 8.1.3), flex, bison, dejagnu, tcl8.5, expect,
     autoconf, automake1.9, perl, libtool, doxygen, chrpath, texinfo, quilt,
diff -Nru llvm-3.1-3.1/debian/patches/1001-link-llvmgold-lto.diff llvm-3.1-3.1/debian/patches/1001-link-llvmgold-lto.diff
--- llvm-3.1-3.1/debian/patches/1001-link-llvmgold-lto.diff	1970-01-01 01:00:00.000000000 +0100
+++ llvm-3.1-3.1/debian/patches/1001-link-llvmgold-lto.diff	2012-08-27 21:20:42.000000000 +0200
@@ -0,0 +1,18 @@
+Description: Pass -lLTO after gold-plugin.o so that it gets used in systems
+ that default to --as-needed.
+Origin: upstream, http://llvm.org/viewvc/llvm-project?view=rev&revision=162652
+Bug: http://llvm.org/bugs/show_bug.cgi?id=13262
+Bug-Ubuntu: https://bugs.launchpad.net/bugs/1026359
+
+--- a/tools/gold/Makefile
++++ b/tools/gold/Makefile
+@@ -24,6 +24,8 @@
+ # Because off_t is used in the public API, the largefile parts are required for
+ # ABI compatibility.
+ CXXFLAGS += -I$(BINUTILS_INCDIR) -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
+-CXXFLAGS += -L$(SharedLibDir)/$(SharedPrefix) -lLTO
++LDFLAGS += -L$(SharedLibDir)/$(SharedPrefix)
+ 
+ include $(LEVEL)/Makefile.common
++
++LIBS += -lLTO
diff -Nru llvm-3.1-3.1/debian/patches/series llvm-3.1-3.1/debian/patches/series
--- llvm-3.1-3.1/debian/patches/series	2012-07-01 19:29:07.000000000 +0200
+++ llvm-3.1-3.1/debian/patches/series	2012-08-27 21:20:52.000000000 +0200
@@ -13,3 +13,4 @@
 0044-soname.diff
 0045-hurd-stat.patch
 0046-Revert-Patch-to-set-is_stmt-a-little-better-for-prol.patch
+1001-link-llvmgold-lto.diff