/in/foo.cc: In function 'll gcd(ll, ll)':
/in/foo.cc:8:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if (a < 0) a = -a; if (b < 0) b = -b;
     ^~
/in/foo.cc:8:24: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
     if (a < 0) a = -a; if (b < 0) b = -b;
                        ^~