Improve gendef.pl diagnostic on failure to open sym file

Andrew Dunstan <andrew@dunslane.net>

Commit: 74d2c0dbfd94aa5512be3828a793b4c2d43df2d0
Author: Andrew Dunstan <andrew@dunslane.net>
Date: 2017-10-26T14:01:02Z
Releases: 11.0
Improve gendef.pl diagnostic on failure to open sym file

There have been numerous buildfarm failures but the diagnostic is
currently silent about the reason for failure to open the file. Let's
see if we can get to the bottom of it.

Backpatch to all live branches.

Files

PathChange+/−
src/tools/msvc/gendef.pl modified +1 −1