Your bug report

#19959: master: `Backtrace after malloc arena is corrupted` causes segfault during build

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 19980@debbugs.gnu.org.

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19959: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19959
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