try_remove_empty_parents(): don't trash argument contents
commit8bdaecb402cc024ff1ce7fc8856e4ee87f9102f1
authorMichael Haggerty <mhagger@alum.mit.edu>
Fri, 6 Jan 2017 16:22:41 +0000 (6 17:22 +0100)
committerJunio C Hamano <gitster@pobox.com>
Sun, 8 Jan 2017 03:30:09 +0000 (7 19:30 -0800)
tree9964565f49ecf5390eb5cd5e9a09abd6e65f2468
parent730e0342869744e33a2db76fda5f3acf28fc889c
try_remove_empty_parents(): don't trash argument contents

It's bad manners and surprising and therefore error-prone.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
refs/files-backend.c