1  /* PR middle-end/82063 - issues with arguments enabled by -Wall
       2     { dg-do compile }
       3     { dg-options "-O -Walloc-size-larger-than=1kB -ftrack-macro-expansion=0" } */
       4  
       5  void sink (void*);
       6  
       7  #define T(x) sink (x)
       8  
       9  void f (void)
      10  {
      11    unsigned n = 0;
      12    T (__builtin_malloc (n));
      13  
      14    n = 1000;   /* 1 kilobyte (kB, not to be confused with KB or KiB) */
      15    T (__builtin_malloc (n));
      16  
      17    n = 1001;
      18    T (__builtin_malloc (n));   /* { dg-warning "argument 1 value .1001. exceeds maximum object size 1000" } */
      19  }