[test] Don't verify .debug_line offsets in bitcode tests.

The exact values of the .debug_line offsets should not be hard-coded in
the checks for bitcode tests.

Fixes: http://bb.pgr.jp/builders/test-llvm-i686-linux-RA/builds/543

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314294 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed