tree be591daf8dc7c4f0979769ed9bf481f55c03852d
parent 0fb65cffa6d759f9b18177286edc29688a0a88b3
author Chris Lattner <sabre@nondot.org> 1266738948 +0000
committer Chris Lattner <sabre@nondot.org> 1266738948 +0000

when a match fails and we have to rollback, make sure to keep 'N' in 
sync with the top of stack.  This fixes a bunch of failures on larger
testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96732 91177308-0d34-0410-b5e6-96231b3b80d8