gcc/testsuite/gcc.dg/c23-constexpr-6.c

   1 /* Test C23 constexpr.  Invalid code, compilation tests, signed char.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=c23 -pedantic-errors -fsigned-char" } */
   4
   5 constexpr unsigned char v3[] = "\x00\xff"; /* { dg-error "'constexpr' initializer not representable in type of object" } */
   6 constexpr char v4[] = u8"\x00\xff"; /* { dg-error "'constexpr' initializer not representable in type of object" } */
   7 constexpr signed char v5[] = u8"\x00\xff"; /* { dg-error "'constexpr' initializer not representable in type of object" } */
   8
   9 void
  10 f0 ()
  11 {
  12   (constexpr unsigned char []) { "\x00\xff" }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
  13   (constexpr char []) { u8"\x00\xff" }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
  14   (constexpr signed char []) { u8"\x00\xff" }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
  15 }