foo.cc: In function 'int main()':
foo.cc:14:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   14 |  for(i=m-1;i>=1;i--)
      |  ^~~
foo.cc:16:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   16 |   a[0]=x;
      |   ^

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