/in/foo.cc: In function 'int update_tags(segment*&, int, int, int)':
/in/foo.cc:89:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if(rt==NULL) rt=new_node(l,r);rt->pt+=v;
     ^~
/in/foo.cc:89:35: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
     if(rt==NULL) rt=new_node(l,r);rt->pt+=v;
                                   ^~