gcc/testsuite/gcc.dg/pr110777.c

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