gnu/dist/gcc4/gcc/testsuite/gcc.c-torture/execute/20000914-1.c

   1 extern void *malloc(__SIZE_TYPE__);
   2
   3 enum tree_code {
   4 ERROR_MARK,
   5 IDENTIFIER_NODE,
   6 OP_IDENTIFIER,
   7 TREE_LIST,
   8 TREE_VEC,
   9 BLOCK,
  10 VOID_TYPE,
  11 INTEGER_TYPE,
  12 REAL_TYPE,
  13 COMPLEX_TYPE,
  14 VECTOR_TYPE,
  15 ENUMERAL_TYPE,
  16 BOOLEAN_TYPE,
  17 CHAR_TYPE,
  18 POINTER_TYPE,
  19 OFFSET_TYPE,
  20 REFERENCE_TYPE,
  21 METHOD_TYPE,
  22 FILE_TYPE,
  23 ARRAY_TYPE,
  24 SET_TYPE,
  25 RECORD_TYPE,
  26 UNION_TYPE,
  27 QUAL_UNION_TYPE,
  28 FUNCTION_TYPE,
  29 LANG_TYPE,
  30 INTEGER_CST,
  31 REAL_CST,
  32 COMPLEX_CST,
  33 STRING_CST,
  34 FUNCTION_DECL,
  35 LABEL_DECL,
  36 CONST_DECL,
  37 TYPE_DECL,
  38 VAR_DECL,
  39 PARM_DECL,
  40 RESULT_DECL,
  41 FIELD_DECL,
  42 NAMESPACE_DECL,
  43 COMPONENT_REF,
  44 BIT_FIELD_REF,
  45 INDIRECT_REF,
  46 BUFFER_REF,
  47 ARRAY_REF,
  48 CONSTRUCTOR,
  49 COMPOUND_EXPR,
  50 MODIFY_EXPR,
  51 INIT_EXPR,
  52 TARGET_EXPR,
  53 COND_EXPR,
  54 BIND_EXPR,
  55 CALL_EXPR,
  56 METHOD_CALL_EXPR,
  57 WITH_CLEANUP_EXPR,
  58 CLEANUP_POINT_EXPR,
  59 PLACEHOLDER_EXPR,
  60 WITH_RECORD_EXPR,
  61 PLUS_EXPR,
  62 MINUS_EXPR,
  63 MULT_EXPR,
  64 TRUNC_DIV_EXPR,
  65 CEIL_DIV_EXPR,
  66 FLOOR_DIV_EXPR,
  67 ROUND_DIV_EXPR,
  68 TRUNC_MOD_EXPR,
  69 CEIL_MOD_EXPR,
  70 FLOOR_MOD_EXPR,
  71 ROUND_MOD_EXPR,
  72 RDIV_EXPR,
  73 EXACT_DIV_EXPR,
  74 FIX_TRUNC_EXPR,
  75 FIX_CEIL_EXPR,
  76 FIX_FLOOR_EXPR,
  77 FIX_ROUND_EXPR,
  78 FLOAT_EXPR,
  79 EXPON_EXPR,
  80 NEGATE_EXPR,
  81 MIN_EXPR,
  82 MAX_EXPR,
  83 ABS_EXPR,
  84 FFS_EXPR,
  85 LSHIFT_EXPR,
  86 RSHIFT_EXPR,
  87 LROTATE_EXPR,
  88 RROTATE_EXPR,
  89 BIT_IOR_EXPR,
  90 BIT_XOR_EXPR,
  91 BIT_AND_EXPR,
  92 BIT_ANDTC_EXPR,
  93 BIT_NOT_EXPR,
  94 TRUTH_ANDIF_EXPR,
  95 TRUTH_ORIF_EXPR,
  96 TRUTH_AND_EXPR,
  97 TRUTH_OR_EXPR,
  98 TRUTH_XOR_EXPR,
  99 TRUTH_NOT_EXPR,
 100 LT_EXPR,
 101 LE_EXPR,
 102 GT_EXPR,
 103 GE_EXPR,
 104 EQ_EXPR,
 105 NE_EXPR,
 106 UNORDERED_EXPR,
 107 ORDERED_EXPR,
 108 UNLT_EXPR,
 109 UNLE_EXPR,
 110 UNGT_EXPR,
 111 UNGE_EXPR,
 112 UNEQ_EXPR,
 113 IN_EXPR,
 114 SET_LE_EXPR,
 115 CARD_EXPR,
 116 RANGE_EXPR,
 117 CONVERT_EXPR,
 118 NOP_EXPR,
 119 NON_LVALUE_EXPR,
 120 SAVE_EXPR,
 121 UNSAVE_EXPR,
 122 RTL_EXPR,
 123 ADDR_EXPR,
 124 REFERENCE_EXPR,
 125 ENTRY_VALUE_EXPR,
 126 COMPLEX_EXPR,
 127 CONJ_EXPR,
 128 REALPART_EXPR,
 129 IMAGPART_EXPR,
 130 PREDECREMENT_EXPR,
 131 PREINCREMENT_EXPR,
 132 POSTDECREMENT_EXPR,
 133 POSTINCREMENT_EXPR,
 134 VA_ARG_EXPR,
 135 TRY_CATCH_EXPR,
 136 TRY_FINALLY_EXPR,
 137 GOTO_SUBROUTINE_EXPR,
 138 POPDHC_EXPR,
 139 POPDCC_EXPR,
 140 LABEL_EXPR,
 141 GOTO_EXPR,
 142 RETURN_EXPR,
 143 EXIT_EXPR,
 144 LOOP_EXPR,
 145 LABELED_BLOCK_EXPR,
 146 EXIT_BLOCK_EXPR,
 147 EXPR_WITH_FILE_LOCATION,
 148 SWITCH_EXPR,
 149   LAST_AND_UNUSED_TREE_CODE
 150 };
 151 typedef union tree_node *tree;
 152 struct tree_common
 153 {
 154   union tree_node *chain;
 155   union tree_node *type;
 156   enum tree_code code : 8;
 157   unsigned side_effects_flag : 1;
 158   unsigned constant_flag : 1;
 159   unsigned permanent_flag : 1;
 160   unsigned addressable_flag : 1;
 161   unsigned volatile_flag : 1;
 162   unsigned readonly_flag : 1;
 163   unsigned unsigned_flag : 1;
 164   unsigned asm_written_flag: 1;
 165   unsigned used_flag : 1;
 166   unsigned nothrow_flag : 1;
 167   unsigned static_flag : 1;
 168   unsigned public_flag : 1;
 169   unsigned private_flag : 1;
 170   unsigned protected_flag : 1;
 171   unsigned bounded_flag : 1;
 172   unsigned lang_flag_0 : 1;
 173   unsigned lang_flag_1 : 1;
 174   unsigned lang_flag_2 : 1;
 175   unsigned lang_flag_3 : 1;
 176   unsigned lang_flag_4 : 1;
 177   unsigned lang_flag_5 : 1;
 178   unsigned lang_flag_6 : 1;
 179 };
 180 union tree_node
 181 {
 182   struct tree_common common;
 183  };
 184 enum c_tree_code {
 185   C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE,
 186 SRCLOC,
 187 SIZEOF_EXPR,
 188 ARROW_EXPR,
 189 ALIGNOF_EXPR,
 190 EXPR_STMT,
 191 COMPOUND_STMT,
 192 DECL_STMT,
 193 IF_STMT,
 194 FOR_STMT,
 195 WHILE_STMT,
 196 DO_STMT,
 197 RETURN_STMT,
 198 BREAK_STMT,
 199 CONTINUE_STMT,
 200 SWITCH_STMT,
 201 GOTO_STMT,
 202 LABEL_STMT,
 203 ASM_STMT,
 204 SCOPE_STMT,
 205 CASE_LABEL,
 206 STMT_EXPR,
 207   LAST_C_TREE_CODE
 208 };
 209 enum cplus_tree_code {
 210   CP_DUMMY_TREE_CODE = LAST_C_TREE_CODE,
 211 OFFSET_REF,
 212 PTRMEM_CST,
 213 NEW_EXPR,
 214 VEC_NEW_EXPR,
 215 DELETE_EXPR,
 216 VEC_DELETE_EXPR,
 217 SCOPE_REF,
 218 MEMBER_REF,
 219 TYPE_EXPR,
 220 AGGR_INIT_EXPR,
 221 THROW_EXPR,
 222 EMPTY_CLASS_EXPR,
 223 TEMPLATE_DECL,
 224 TEMPLATE_PARM_INDEX,
 225 TEMPLATE_TYPE_PARM,
 226 TEMPLATE_TEMPLATE_PARM,
 227 BOUND_TEMPLATE_TEMPLATE_PARM,
 228 TYPENAME_TYPE,
 229 TYPEOF_TYPE,
 230 USING_DECL,
 231 DEFAULT_ARG,
 232 TEMPLATE_ID_EXPR,
 233 CPLUS_BINDING,
 234 OVERLOAD,
 235 WRAPPER,
 236 LOOKUP_EXPR,
 237 FUNCTION_NAME,
 238 MODOP_EXPR,
 239 CAST_EXPR,
 240 REINTERPRET_CAST_EXPR,
 241 CONST_CAST_EXPR,
 242 STATIC_CAST_EXPR,
 243 DYNAMIC_CAST_EXPR,
 244 DOTSTAR_EXPR,
 245 TYPEID_EXPR,
 246 PSEUDO_DTOR_EXPR,
 247 SUBOBJECT,
 248 CTOR_STMT,
 249 CLEANUP_STMT,
 250 START_CATCH_STMT,
 251 CTOR_INITIALIZER,
 252 RETURN_INIT,
 253 TRY_BLOCK,
 254 HANDLER,
 255 TAG_DEFN,
 256 IDENTITY_CONV,
 257 LVALUE_CONV,
 258 QUAL_CONV,
 259 STD_CONV,
 260 PTR_CONV,
 261 PMEM_CONV,
 262 BASE_CONV,
 263 REF_BIND,
 264 USER_CONV,
 265 AMBIG_CONV,
 266 RVALUE_CONV,
 267   LAST_CPLUS_TREE_CODE
 268 };
 269
 270 blah(){}
 271
 272 convert_like_real (convs)
 273      tree convs;
 274 {
 275   switch (((enum tree_code) (convs)->common.code))
 276     {
 277     case AMBIG_CONV:
 278       return blah();
 279     default:
 280       break;
 281     };
 282    abort ();
 283 }
 284
 285 main()
 286 {
 287   tree convs = (void *)malloc (sizeof (struct tree_common));;
 288
 289   convs->common.code = AMBIG_CONV;
 290   convert_like_real (convs);
 291   exit (0);
 292 }