[Bug middle-end/66587] -no_compact_unwind is dropped for -nodefaultlibs/-nostdlib

[ossman at cendio dot se]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66587

--- Comment #2 from Pierre Ossman <ossman at cendio dot se> ---
Note that darwin12.h also exists on trunk that needs to be modified as well.