From: dot@dotat.at   
      
   Chris F Clark  wrote:   
   >   
   >So, I wonder, how many of you have experienced real compiler bugs,   
   >that you could verify was the compilers fault and not just "mysterious   
   >behavior" that could be fixed by changing the optimizer/debugger   
   >level?   
      
   Here's a paper which very cleverly surveys compilers for bugs in their   
   handling of the volatile type qualifier. They compile code using different   
   optimization levels and verify that its behaviour is consistent.   
      
   http://www.cs.utah.edu/~regehr/papers/emsoft08-preprint.pdf   
      
   Tony.   
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