sdcc/support/regression/tests/bug-2216.c

   1 /*      bug-2216.c
   2 */
   3
   4 #include <testfwk.h>
   5
   6 #define BIG_ARRAY ((__xdata volatile unsigned char *)0x8000) // XDATA Memory
   7
   8 typedef __data union
   9 {
  10         struct
  11         {
  12                 unsigned char bit0 : 1;
  13                 unsigned char bit1 : 1;
  14                 unsigned char bit2 : 1;
  15                 unsigned char bit3 : 1;
  16                 unsigned char bit4 : 1;
  17                 unsigned char bit5 : 1;
  18                 unsigned char bit6 : 1;
  19                 unsigned char bit7 : 1;
  20         } bits;
  21         unsigned char byte;
  22 } byte_in_bit_memory;
  23
  24 byte_in_bit_memory __at (0x20) first_byte;
  25
  26 __data unsigned char __at (0x21) dummy_byte;
  27
  28 /* This failed with: Internal error: validateOpType failed in
  29    OP_SYMBOL(IC_RESULT (ic)) @ SDCCptropt.c:335: expected symbol, got value */
  30 void foo(void)
  31 {
  32         BIG_ARRAY[0] = first_byte.byte;
  33 }
  34
  35 void bar(void)
  36 {
  37         BIG_ARRAY[0] = dummy_byte;
  38 }
  39
  40 void testBug(void)
  41 {
  42         ASSERT(1);
  43 }