gcc-4.9/gcc/testsuite/gcc.dg/lto/20090120_0.c


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/* { dg-lto-options {{-flto -funsigned-char}} } */

extern void abort ();

char c = 0xff;

int
main ()
{
 int i = (unsigned) c;
 if (i < 0)
   abort ();
 return 0;
}