tested with a very large blend file 600mb. - from [#27002].
authorCampbell Barton <ideasman42@gmail.com>
Wed, 20 Apr 2011 10:50:56 +0000 (10:50 +0000)
committerCampbell Barton <ideasman42@gmail.com>
Wed, 20 Apr 2011 10:50:56 +0000 (10:50 +0000)
commit141be02c90cbdb2f1d8cd2702ea79e3b3e9590f7
treebc22cfc8129daab2fb8c9af67a7f6e580e5480bc
parenta4ebe848d93af22956386a980febb9726b654f0e
tested with a very large blend file 600mb. - from [#27002].

without this check the file took 4m, 40sec to load, with the check it takes ~3.3sec.
source/blender/blenloader/intern/readfile.c