From: lynnmcguire5@gmail.com   
      
   I just ran into a nasty problem with GFortran and G++ (C++).  Probably   
   not a bug ???  I am using GCC 14.1.   
      
   I have a lot of code in C++ (over 100,000 lines).  I have 750,000 lines   
   of code in GFortran.  I have to extern "C" this code in C++ to make it   
   callable by GFortran code.   
      
   I missed declaring a couple of C++ functions as extern "C" which means   
   that they kept their C++ mangled link names.  But these C++ functions   
   were declared as integer*8 and external in the GFortran code (old F77   
   code).   
      
   So, the GCC linker did not report to me that it did not have a link for   
   the G++ functions.  This may be a bug, I am not sure.   
      
   When I ran the program, the C++ functions were not called by the   
   GFortran code.  Instead, the GFortran code treated the C++ functions as   
   integer*8 scalar variables.   
      
   If needful, I can probably put together a small code sample that   
   exhibits the problem.  Maybe.  It could be that the size of my code   
   affects the GCC linker.   
      
   I removed the Gfortran code "external" keywords, extern "C" the C++   
   functions, added the C++ function to my module list, and got a working link.   
      
   Thanks,   
   Lynn   
      
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