What about wrapping the _SEH_TRY part in a local inline function? In my tests this successfully prevented the variables from being optimized away. At least under normal optimisation settings.

_SEH_TRY
{
   void inline tryblock()
   {
   ...
   }
   tryblock();
}
...

KJK::Hyperion schrieb: 
Alex Ionescu ha scritto:
  
If something is happening to these flags, PSEH should be fixed -- not  
making every flag in the source base a volatile.
    

PSEH is based setjmp/longjmp, some local variables WILL be reset when an 
exception is caught and they MUST be marked as "volatile". I documented 
this a long time ago
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