foo.cc: In function 'int read()':
foo.cc:20:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   20 |  if(f==1)x=-x;return x;
      |  ^~
foo.cc:20:15: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   20 |  if(f==1)x=-x;return x;
      |               ^~~~~~

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