Remove residual blank line at start of MakefileThis is a residual of the $FreeBSD$ removal.MFC After: 3 days (though I'll just run the command on the branches)Sponsored by: Netflix
tests: Handle SIGSEGV in the vm stack mprotect exec testTo exit gracefully handle SIGSEGV and mark the test as failed.MFC after: 3 days
Remove $FreeBSD$: one-line sh patternRemove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/
tests: Add stack grows testsReviewed by: kibDifferential Revision: https://reviews.freebsd.org/D41320MFC after: 2 weeks