sdcc/support/regression/tests/bug1273984.c.in

   1 /*  An assignment inside a functioncall changed the type of the parameter.
   2     See bug description 1273984 for details.
   3
   4     Bug detected and fixed by Guenther Jehle
   5
   6     sign: unsigned,
   7  */
   8
   9 #include <testfwk.h>
  10
  11 void foo({sign} int val) {
  12   val; //make the compiler happy
  13 }
  14
  15 void fooInt({sign} int val) {
  16   ASSERT(val==3);
  17 }
  18
  19 void fooChar({sign} char val) {
  20   ASSERT(val==6);
  21 }
  22
  23 void
  24 testAssignInFunctioncall(void)
  25 {
  26   volatile {sign} char charVal=3;
  27   volatile {sign} int intVal=0x4040;
  28
  29   fooInt(intVal=charVal); // should cast charVal to int for function call.
  30                           // without patch #1645121, a char is put on the stack
  31                           // (or hold in registers)
  32   foo(0xAAAA);
  33   fooInt(intVal=charVal);
  34
  35   intVal=6;
  36
  37   fooChar(charVal=intVal); // without patch, a int is put on the stack
  38   foo(0xAAAA);
  39   fooChar(charVal=intVal);
  40
  41 }
  42
  43