gcc/testsuite/c-c++-common/pr103881.c

   1 /* PR c/103881 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wconversion" } */
   4
   5 unsigned char bar (void);
   6
   7 void
   8 foo (void)
   9 {
  10   unsigned char t = 0;
  11   t |= bar ();
  12   t |= bar () & bar (); /* { dg-bogus "conversion from 'int' to 'unsigned char' may change value" "" { xfail c++ } } */
  13   t &= bar () & bar (); /* { dg-bogus "conversion from 'int' to 'unsigned char' may change value" "" { xfail c++ } } */
  14   t = bar () & bar ();
  15
  16   unsigned char a = bar ();
  17   t |= a & a;
  18   t |= bar () & a;              /* { dg-bogus "conversion from 'int' to 'unsigned char' may change value" "" { xfail c++ } } */
  19   t |= a & bar ();              /* { dg-bogus "conversion from 'int' to 'unsigned char' may change value" "" { xfail c++ } } */
  20 }