From: ootiib@hot.ee   
      
   On Wednesday, 15 January 2014 02:36:11 UTC+2, Martin Bonner  wrote:   
   > On Monday, January 13, 2014 9:25:39 PM UTC, Dave Harris wrote:   
   > > In article <42cf56bc-29b1-490d-8c8b-ac8b0b10300b@googlegroups.com>,   
   > > >    double a = a * 2.0;   
   > >   
   > > That use is undefined because a is read before being initialised. A   
   > > use like:   
   > >   
   > >      void *p = &p;   
   > >   
   > > is well-defined and possibly useful, for example when defining   
   > > circular linked lists.   
   >   
   > Nit:  In C++ that would have to be written as:   
   >      void *p = static_cast(&p);   
      
   If it is some new draft of C++ then please specify. If you just made   
   mistake, then there are nice tools for testing your claims:   
   http://ideone.com/SQH3yu   
      
   Several (both C and C++) experts suggest to avoid redundant 'void*'   
   casts because those may make code less readable and may silence   
   diagnostics.   
      
      
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