buildbot/valgrind: Update RegisterPass false positive suppression for API
changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111529 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/valgrind/x86_64-pc-linux-gnu.supp b/utils/valgrind/x86_64-pc-linux-gnu.supp
index 835cbbe..2af4cbe 100644
--- a/utils/valgrind/x86_64-pc-linux-gnu.supp
+++ b/utils/valgrind/x86_64-pc-linux-gnu.supp
@@ -2,8 +2,7 @@
    False leak under RegisterPass
    Memcheck:Leak
    ...
-   fun:_ZN83_GLOBAL_*PassRegistrar12RegisterPassERKN4llvm8PassInfoE
-   fun:_ZN4llvm8PassInfo12registerPassEv
+   fun:_ZN4llvm12PassRegistry12registerPassERKNS_8PassInfoE
 }
 
 # Python false positives according to