Improve gendef.pl diagnostic on failure to open sym file

Andrew Dunstan <andrew@dunslane.net>

Commit: ea8480a2493e396715e2fa0709c137b513a680aa
Author: Andrew Dunstan <andrew@dunslane.net>
Date: 2017-10-26T14:10:37Z
Releases: 9.6.6
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