build failure

[Clint Adams]

> Given a new compiler, it might be worth trying a build without any 
> optimizations to see what happens.

Even with -O0, all tests fail.  Seems that it's related to
MALLOC_CHECK_ :


# MALLOC_CHECK_=0
# : | ../bogofilter -peC
X-Bogosity: No, tests=bogofilter, spamicity=nan, version=0.9.2.cvs+locking.20030116

# MALLOC_CHECK_=1
# : | ../bogofilter -peC
malloc: using debugging hooks
free(): invalid pointer 0x4b030!
free(): invalid pointer 0x4b8e0!
free(): invalid pointer 0x4b950!
free(): invalid pointer 0x4b920!
free(): invalid pointer 0x4dd00!
free(): invalid pointer 0x4e4e0!
free(): invalid pointer 0x4e550!
free(): invalid pointer 0x4e520!
free(): invalid pointer 0x50900!
free(): invalid pointer 0x50b70!
free(): invalid pointer 0x50b80!
free(): invalid pointer 0x720b0!
free(): invalid pointer 0x50bb0!
free(): invalid pointer 0x50b90!
X-Bogosity: No, tests=bogofilter, spamicity=nan, version=0.9.2.cvs+locking.20030116

free(): invalid pointer 0x50b40!
free(): invalid pointer 0x50b30!
free(): invalid pointer 0x4de50!
free(): invalid pointer 0x4dd40!
free(): invalid pointer 0x720c0!
free(): invalid pointer 0x4dcd0!
free(): invalid pointer 0x4dc40!
free(): invalid pointer 0x4b5d0!
free(): invalid pointer 0x4b580!
free(): invalid pointer 0x4b5f0!
free(): invalid pointer 0x72100!
free(): invalid pointer 0x4dc20!
free(): invalid pointer 0x40301010!
free(): invalid pointer 0x4dbc0!
free(): invalid pointer 0x4dbf0!
free(): invalid pointer 0x4db90!
free(): invalid pointer 0x4bb80!
free(): invalid pointer 0x4bb60!
free(): invalid pointer 0x4bb30!
free(): invalid pointer 0x4bb00!
free(): invalid pointer 0x4b8c0!
free(): invalid pointer 0x4baf0!
free(): invalid pointer 0x4b670!
free(): invalid pointer 0x4b3a0!
free(): invalid pointer 0x4b360!
free(): invalid pointer 0x4b390!
free(): invalid pointer 0x4b330!
free(): invalid pointer 0x50a50!
free(): invalid pointer 0x50940!
free(): invalid pointer 0x722d0!
free(): invalid pointer 0x508d0!
free(): invalid pointer 0x50840!
free(): invalid pointer 0x4e1d0!
free(): invalid pointer 0x4e180!
free(): invalid pointer 0x4e1f0!
free(): invalid pointer 0x72310!
free(): invalid pointer 0x50820!
free(): invalid pointer 0x40344010!
free(): invalid pointer 0x507c0!
free(): invalid pointer 0x507f0!
free(): invalid pointer 0x50790!
free(): invalid pointer 0x4e780!
free(): invalid pointer 0x4e760!
free(): invalid pointer 0x4e730!
free(): invalid pointer 0x4e700!
free(): invalid pointer 0x4e4c0!
free(): invalid pointer 0x4e6f0!
free(): invalid pointer 0x4e270!
free(): invalid pointer 0x4dfa0!
free(): invalid pointer 0x4df60!
free(): invalid pointer 0x4df90!
free(): invalid pointer 0x4df30!
free(): invalid pointer 0x4b270!
free(): invalid pointer 0x4b280!
free(): invalid pointer 0x4b2f0!
free(): invalid pointer 0x4b300!

# MALLOC_CHECK_=2
# : | ../bogofilter -peC
Aborted


Is this a glibc bug?