crash from bleeding edge sources

[Leo Butler]

Hello,
In building from the bleeding edge sources this morning, I encountered the 
following at the end of the build:

../../run-octave -f -q -H -p . --eval "sparseimages ('gplot', 'txt');"
*** glibc detected ***
/home/work/octave/sandbox/octave/src/.libs/lt-octave: free(): invalid
pointer: 0x418de900 ***
======= Backtrace: =========
/lib/i686/cmov/libc.so.6(+0x6b321)[0x42fa7321]
/lib/i686/cmov/libc.so.6(+0x6cb78)[0x42fa8b78]
/lib/i686/cmov/libc.so.6(cfree+0x6d)[0x42fabc5d]
/usr/lib/libstdc++.so.6(_ZdlPv+0x21)[0x4313f701]

The complete output is viewable at
http://www.maths.ed.ac.uk/~lbutler/crash.html#crash

Leo

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