foo.c: In function 'main':
foo.c:15:11: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   15 |           else m=m+1;break;
      |           ^~~~
foo.c:15:22: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   15 |           else m=m+1;break;
      |                      ^~~~~

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