crash when upgrading wc

Hi,

Again a post about some crash dumps that were sent for TSVN:

When upgrading a working copy, there's an abort() called here:
subversion\subversion\libsvn_wc\util.c, 300：
(svn_uri_is_canonical(repos_url, pool) &&
  svn_relpath_is_canonical(path_in_repos) && SVN_IS_VALID_REVNUM(peg_rev))

problem in this case: the 'repos_url' looks like this:
https://xxx.xx.xxx.192:443/svn/

now, in 1.6.x this was a valid canonical url. In 1.7 however, having the
port number in the url if it's the default port makes
svn_uri_is_canonical() return FALSE.

Fine by me, but when upgrading, this should be handled much better than
with an abort() call!

stacktrace attached.

crash dumps (26) available here:
https://www.crash-server.com/Problem.aspx?ClientID=tsvn&ProblemID=1170

Stefan

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