setjmp/longjmp + EH

[Chris Lattner]

I'm curious if any itanium ABI compilers generate calls to longjmp_unwind,
or if they all use the traditional register snapshot/restore
implementation of setjmp & longjmp.  From what I can tell, the GCC
compiler just calls into the system setjmp/longjmp routines.

Do the HP, Intel, or other compilers use longjmp_unwind?

Thanks,

-Chris

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