missing eh regions?

[Richard Henderson <rth at cygnus dot com>]

I was looking to teach the alpha trap shadow processing about 
exception regions, so that FP exceptions could be properly 
caught, etc.

But it appears that, in the appended program, the exception 
region notes were eliminated.  What gives?  


r~


double foo(double x, double y)
{
  double result = 0.0;
  if (x < y) {
    try {
      result = x / y;
    }
    catch (...) {
    }
  }
  else {
    try {
      result = x * y;
    }
    catch(...) {
    }
  }
  return result;
}