Comment 2 for bug 957231

StacktraceTop:
 debListParser::LoadReleaseInfo (this=0x7fff774659b0, FileI=..., File=<optimized out>, component=<optimized out>) at deb/deblistparser.cc:865
 debPackagesIndex::Merge (this=0x3584970, Gen=..., Prog=<optimized out>) at deb/debindexfile.cc:343
 BuildCache (Gen=..., Progress=0x7fff77466a60, CurrentSize=@0x7fff77466980, TotalSize=93041015, Start=..., End=...) at pkgcachegen.cc:1173
 pkgCacheGenerator::MakeStatusCache (List=<optimized out>, Progress=0x7fff77466a60, OutMap=0x35533c0, AllowMem=8) at pkgcachegen.cc:1364
 pkgCacheFile::BuildCaches (this=0x35533b0, Progress=0x7fff77466a60, WithLock=<optimized out>) at cachefile.cc:83