gcc3.2.3 exception handling : impacted by gcc optimizaton level?

["lin q" <linq936@xxxxxxxxxxx>]

Hi,
 I am using gcc3.2.3 on Red Hat Linux. I just find a strange thing of 
exception handling:if I compile the code in debug level, then the exception 
can be caught; if I compile it in optimized level , then the exception can 
not be caught.

 The compile option for debug is
          -c -DUNIX -fexceptions -g3 -DDEBUG -DLIN

 The compile option for optimize is
           -c -DUNIX -fexceptions -O3 -DNDEBUG -DLIN

 Basically here is the code,

====== On the Top =====================
 try{
    ... some function calls ...
 }
 catch (...){
     printf("Caught...\n");
     return 1;
 }


====== Deep in the code ================
if (...some condition...){
  printf("To throw...\n");
  throw 1;
}

When I run in debug mode, I can see
To throw...
Caught...

But in optimized mode, I can only see
To throw...
Aborted.
then software crashes.

Is this a known problem?

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