/home/david/coding-3/gcc-git-rich-errors/src/gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-trees-1.c: In function ‘test_quadratic’:
/home/david/coding-3/gcc-git-rich-errors/src/gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-trees-1.c:22:6: note: rdiv_expr at range 21:6-22:14
      (-b + sqrt (b * b - 4 * a * c))                                                                                                            
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                                                                                            
      / (2 * a));                                                                                                                                
      ^~~~~~~~~                                                                                                                                  
                                                                                                                                                 
/home/david/coding-3/gcc-git-rich-errors/src/gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-trees-1.c:21:10: note: minus_expr at range 21:6-21:36
      (-b + sqrt (b * b - 4 * a * c))                                                                                                              
      ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~                                                                                                              
                                                                                                                                                   
/home/david/coding-3/gcc-git-rich-errors/src/gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-trees-1.c:21:12: note: call_expr at range 21:12-21:35
      (-b + sqrt (b * b - 4 * a * c))                                                                                                              
            ^~~~~~~~~~~~~~~~~~~~~~~~                                                                                                               
                                                                                                                                                   
/home/david/coding-3/gcc-git-rich-errors/src/gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-trees-1.c:21:24: note: minus_expr at range 21:18-21:34
      (-b + sqrt (b * b - 4 * a * c))                                                                                                               
                  ~~~~~~^~~~~~~~~~~                                                                                                                 
                                                                                                                                                    
/home/david/coding-3/gcc-git-rich-errors/src/gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-trees-1.c:21:20: note: mult_expr at range 21:18-21:22 
      (-b + sqrt (b * b - 4 * a * c))                                                                                                               
                  ~~^~~                                                                                                                             
                                                                                                                                                    
/home/david/coding-3/gcc-git-rich-errors/src/gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-trees-1.c:21:32: note: mult_expr at range 21:26-21:34 
      (-b + sqrt (b * b - 4 * a * c))                                                                                                               
                          ~~~~~~^~~                                                                                                                 
                                                                                                                                                    
/home/david/coding-3/gcc-git-rich-errors/src/gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-trees-1.c:21:28: note: mult_expr at range 21:26-21:30 
      (-b + sqrt (b * b - 4 * a * c))                                                                                                               
                          ~~^~~                                                                                                                     
                                                                                                                                                    
/home/david/coding-3/gcc-git-rich-errors/src/gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-trees-1.c:22:11: note: mult_expr at range 22:8-22:14  
      / (2 * a));                                                                                                                                   
        ~~~^~~~