bug#7862: Cygwin test failure of parallel-am.test

[+cc Peter Rosin] Reference: It has been a long time since this report, and regular testing by Peter hasn't (AFAIK) tickled similar failures in any modern Automake+Cygwin combination. So I'm closing this report, to avoid keeping the bug tracker

bug#7862: Cygwin test failure of parallel-am.test

On Cygwin, parallel-am.test fails with a segmentation fault in an automake invocation in the last loop of the test, here's the stackdump: Exception: STATUS_ACCESS_VIOLATION at eip=610F2804 eax=FFD8 ebx=118E6800 ecx=118E9800 edx=118E67E0 esi=118DE828 edi=9028 ebp=118E67D8 esp=027BC330 progr