foo.cc: In function 'int read()':
foo.cc:8:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
         if (ch == '-')
         ^~
foo.cc:10:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
             ch = getchar();
             ^~

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