gcc/testsuite/gcc.dg/pr110777.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -w" } */
   3
   4 void pm_message (int);
   5 void _setjmp (void);
   6 int *findOrAddBackgroundInPalette_palette_pnm;
   7 static void findOrAddBackgroundInPalette(unsigned *paletteSizeP,
   8                                     int *backgroundIndexP) {
   9   if (*paletteSizeP) {
  10     *backgroundIndexP = (*paletteSizeP)++;
  11     pm_message(0);
  12   }
  13   pm_message(findOrAddBackgroundInPalette_palette_pnm[*backgroundIndexP]);
  14 }
  15 void computeColorMap(int *backgroundIndexP) {
  16   unsigned paletteSize;
  17   findOrAddBackgroundInPalette(&paletteSize, backgroundIndexP);
  18 }
  19 int main() {
  20   unsigned backgroundIndex;
  21   _setjmp();
  22   computeColorMap(&backgroundIndex);
  23 }