The __bulitin_apply_args, __builtin_apply, and __builtin_return
functions compile without error, but always crash on execution. I got
the compiler to give me the assembly, and I noticed a lone floating
point opcode sitting innocently amongst the rest of the code. I'm no
AT&T assembly whiz, but I decided to delete it and try the program
minus the floating point stuff. It worked fine, so I concluded that
the compiler was including an erraneous junk opcode in with the code
for these builtin functions.