gcc/testsuite/g++.dg/template/array32.C

   1 /* PR c++/87996 - "size of array is negative" error when SIZE_MAX/2 < sizeof(array) <= SIZE_MAX
   2    { dg-do compile }
   3    { dg-options "-ftrack-macro-expansion=0" }  */
   4
   5 #define SIZE_MAX   __SIZE_MAX__
   6
   7 typedef __SIZE_TYPE__ size_t;
   8
   9 template <size_t N> struct Aszmax_d2 {
  10   char a[N];
  11 };
  12 Aszmax_d2<SIZE_MAX / 2> aszmax_d2;
  13
  14 template <size_t N> struct Aszmax_d2_p1 {
  15   char a[N];   // { dg-error "exceeds maximum object size" }
  16 };
  17 Aszmax_d2_p1<SIZE_MAX / 2 + 1> aszmax_d2_p1;
  18
  19 template <size_t N> struct Aszmax {
  20   char a[N];   // { dg-error "exceeds maximum object size" }
  21 };
  22 Aszmax<SIZE_MAX> aszmax;
  23
  24 template <size_t M, size_t N> struct Aszmax_d2_szmax_d2 {
  25   char a[M][N];   // { dg-error "exceeds maximum object size" }
  26 };
  27 Aszmax_d2_szmax_d2<SIZE_MAX / 2, SIZE_MAX / 2> aszmaxd2_szmaxd2;