foo.cc: In function 'int main()':
foo.cc:39:25: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   39 |     while (missile[++n] = read()); n--;
      |            ~~~~~~~~~~~~~^~~~~~~~
foo.cc:39:5: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
   39 |     while (missile[++n] = read()); n--;
      |     ^~~~~
foo.cc:39:36: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
   39 |     while (missile[++n] = read()); n--;
      |                                    ^

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