revlog: catch revlog corruption in index_baserev
A revision cannot use a base above itself, it can only happens one corrupted
repository.
Ignoring such corrupted could lead to infinite loop.
# 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
[*.t]
indent_size = 2
indent_style = space
trim_trailing_whitespace = false