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Re: [v3] PATCH to libstdc++ for forced unwind handling (c++/28145)

On May 2, 2007, at 11:35 PM, Jason Merrill wrote: 
!   // A magic placeholder class that can be caught by reference
!   // to recognize forced unwinding.
!   class __forced_unwind
!   {
!     virtual ~__forced_unwind() throw();
!     virtual void __pure() = 0; // prevent catch by value
!   };

This kills darwin as __pure is defined to be const or attribute ((__const__)).... Could we use __gcc_pure instead?

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