diff -upr llvm-2.7.orig/autoconf/ExportMap.map llvm-2.7/autoconf/ExportMap.map
--- llvm-2.7.orig/autoconf/ExportMap.map	2010-02-25 00:33:41.000000000 +0200
+++ llvm-2.7/autoconf/ExportMap.map	2010-05-10 14:14:22.000000000 +0300
@@ -2,6 +2,7 @@
 	global: main;
 		__progname;
 		environ;
+		_ZN4llvm8RegistryIN5clang14FrontendActionENS_14RegistryTraitsIS2_EEE4HeadE;
 
 	local: *;
 };