Change -1LL to -1ULL to silence a gcc warning about left shifting a negative value. Fixes https://bugs.llvm.org/show_bug.cgi?id=33358

git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@305924 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed