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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [fwrapv-1.c] - Rev 298
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/* Copyright (C) 2003 Free Software Foundation. Test that the -fwrapv command line option is accepted and disables "unsafe" optimizations that rely on undefined arithmetic overflow. Written by Roger Sayle, 24th March 2003. */ /* { dg-do run } */ /* { dg-options "-O2 -fwrapv" } */ #include <limits.h> extern void abort (); int test(int x) { return (2*x)/2; } main() { int x = INT_MAX; if (test(x) == x) abort (); return 0; }