Just this one:
misao:~/Pike-v7.6.68/build/linux-2.6.8dma-ppc% ./test-pike Pike v7.6 release 68 running Hilfe v3.5 (Incremental Pike Frontend)
Stdio.File()->proxy(Stdio.File("/dev/null","r"));
Segmentation fault misao:~/Pike-v7.6.68/build/linux-2.6.8dma-ppc%
What is th_create_small()? As far as I can see, it creates a stack which is too small for the 8192 byte buffer that proxy_thread creates as an auto variable...