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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [fwrapv-1.c] - Blame information for rev 298

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Line No. Rev Author Line
1 298 jeremybenn
/* Copyright (C) 2003 Free Software Foundation.
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   Test that the -fwrapv command line option is accepted and disables
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   "unsafe" optimizations that rely on undefined arithmetic overflow.
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   Written by Roger Sayle, 24th March 2003.  */
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/* { dg-do run } */
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/* { dg-options "-O2 -fwrapv" } */
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#include <limits.h>
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extern void abort ();
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int test(int x)
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{
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  return (2*x)/2;
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}
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main()
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{
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  int x = INT_MAX;
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  if (test(x) == x)
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    abort ();
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  return 0;
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}
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