rebase: avoid RevlogError when computing obsoletenotrebased (
issue5907)
The key to reproducing this seems to be missing an obsolete node that is not an
ancestor of the destination.
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true