foo.c: In function 'main':
foo.c:16:17: warning: array subscript [1, 2147483647] is outside array bounds of 'int[1]' [-Warray-bounds]
   16 |                 printf("%d ",arr[i]);
      |                 ^~~~~~~~~~~~~~~~~~~~
foo.c:8:19: note: referencing an object of size 4 allocated by 'malloc'
    8 |         arr=(int*)malloc(sizeof(int));
      |                   ^~~~~~~~~~~~~~~~~~~

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