(__sigsetjmp): Start updating jmp_buf only after sigprocmask() returned
	successfully.  This avoids a failure in ia64-test-setjmp which
	was due to the fact that sigprocmask() caused a segfault (due to
	overflowing the stack) and at that point we had a partially updated
	jmp_buf.

(Logical change 1.272)
1 file changed