gcc-4.9/gcc/testsuite/gcc.dg/noncompile/20041207.c


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/* PR18867 - ICE on a switch controlling expressions with an
   invalid type.  Origin: Serge Belyshev <belyshev@lubercy.com>  */
   
void f()
{
  float x;
  switch (x) {case 0: break;}; /* { dg-error "not an integer" } */
}