I just realized that my previous bug report may be obsolete. I checked and see that I have libc 1.6.7 installed, but in the change log for 1.7.0 I read:
[#27242] realloc: serious error when size shrinks I will upgrade and try again. _______________________________________________ AVR-libc-dev mailing list AVR-libc-dev@nongnu.org https://lists.nongnu.org/mailman/listinfo/avr-libc-dev