[Bug pch/60010] AArch64: sigsegv in cc1plus using pch without defining TRY_EMPTY_VM_SPACE

[kyle at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60010

--- Comment #3 from Kyle McMartin <kyle at redhat dot com> ---
Will do. Thanks much, Andrew. (I'll use you ChangeLog from adding it for mips
as a template.)