gcc/testsuite/gcc.dg/uninit-pred-10.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Wuninitialized" } */
   3
   4 enum demangle_component_type {
   5   DEMANGLE_COMPONENT_NAME,
   6   DEMANGLE_COMPONENT_REFERENCE
   7 };
   8 struct demangle_component {
   9   enum demangle_component_type type;
  10 } d_print_comp_inner_mod_inner, *d_print_comp_inner_dc;
  11 struct d_print_mod {
  12   struct d_print_mod *next;
  13 };
  14 struct d_print_info {
  15   int templates;
  16   struct d_print_mod *modifiers;
  17 };
  18 void d_print_comp_inner(struct d_print_info *dpi)
  19 {
  20   int saved_templates, need_template_restore = 0;
  21   switch (d_print_comp_inner_dc->type) {
  22   case DEMANGLE_COMPONENT_NAME:
  23     goto modifier;
  24   case DEMANGLE_COMPONENT_REFERENCE:
  25     saved_templates = dpi->templates;
  26     need_template_restore = 1;
  27   modifier:
  28     struct d_print_mod dpm;
  29     dpm.next = dpi->modifiers;
  30     d_print_comp_inner_mod_inner = *d_print_comp_inner_dc;
  31     d_print_comp_inner(dpi);
  32     dpi->modifiers = dpm.next;
  33     if (need_template_restore)
  34       dpi->templates = saved_templates; /* { dg-bogus "uninitialized" } */
  35   }
  36 }