sdcc/support/regression/tests/bug3037889.c

   1 /*
   2    bug3037889.c
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma disable_warning 88 //no warning about casting LITERAL value to 'generic' pointer
   9 #endif
  10
  11 /* causes error 9: FATAL Compiler Internal Error in file 'SDCCicode.c' line number '2939' : code generator internal error
  12    Contact Author with source code
  13    Internal error: validateLink failed in DCL_TYPE(ptr) @ SDCCicode.c:2887: expected DECLARATOR, got SPECIFIER
  14    And on ds390 this further on caused also:
  15    Internal error: validateOpType failed in OP_SYMBOL(result) @ gen.c:11914: expected symbol, got value */
  16 void Bug3037889 (void)
  17 {
  18   *((char *) 0x42e0 - 1) = 1;     /* compiler crashes */
  19   *((char *) 0x42e0 + 1) = 1;     /* works fine */
  20   *((char *) (0x42e0 - 1)) = 1;   /* works fine */
  21 }
  22
  23 /* Infinite loop should not be executed, caused:
  24    Internal error: validateOpType failed in OP_SYMBOL(IC_RESULT (ic)) @ SDCCloop.c:1024: expected symbol, got value */
  25 void Bug3034976 (void)
  26 {
  27   while (1)
  28     {
  29       *(unsigned char __data *)0 = 0;
  30     }
  31 }
  32
  33 /* caused error 9: FATAL Compiler Internal Error in file '/SDCCicode.c' line number '2865' : code generator internal error
  34    Contact Author with source code
  35    Internal error: validateLink failed in DCL_TYPE(ptr) @ SDCCicode.c:2813: expected DECLARATOR, got SPECIFIER */
  36 void Bug3153956 (void)
  37 {
  38   ((char volatile __xdata *)0)[1] = 0;
  39 }
  40
  41 /*
  42  * dummy test to be executed, to get rid of regression test warning:
  43  * Empty function list in ../../../sdcc/support/regression/tests/bug3037889.c!
  44  */
  45 void testDummy (void)
  46 {
  47 }