clang/test/CodeGen/2005-09-24-BitFieldCrash.c

   1 // RUN: %clang_cc1 %s -emit-llvm -o -
   2
   3 struct tree_common {};
   4
   5 struct tree_int_cst {
   6  struct tree_common common;
   7   struct tree_int_cst_lowhi {
   8     unsigned long long low;
   9     long long high;
  10   } int_cst;
  11 };
  12
  13 enum XXX { yyy };
  14
  15 struct tree_function_decl {
  16   struct tree_common common;
  17   long long locus, y;
  18   __extension__ enum  XXX built_in_class : 2;
  19
  20 };
  21
  22
  23 union tree_node {
  24   struct tree_int_cst int_cst;
  25   struct tree_function_decl function_decl;
  26 };
  27
  28
  29 void foo (union tree_node * decl) {
  30   decl->function_decl.built_in_class != 0;
  31 }
  32
  33