/in/foo.cc: In function 'int main()':
/in/foo.cc:38:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   38 |     for(auto x : N1) a.push_back(x); for(auto x : N2) a.push_back(x);
      |     ^~~
/in/foo.cc:38:38: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   38 |     for(auto x : N1) a.push_back(x); for(auto x : N2) a.push_back(x);
      |                                      ^~~