clang/test/C/C2x/n2838.c

   1 // RUN: %clang_cc1 -triple x86_64 -verify -std=c2x %s
   2
   3 /* WG14 N2838: yes
   4  * Types and sizes
   5  */
   6
   7 char buffer4[0xFFFF'FFFF'FFFF'FFFF'1wb]; /* expected-error {{array is too large (295147905179352825841 elements)}} */
   8 char buffer3[0xFFFF'FFFF'FFFF'FFFFwb];   /* expected-error {{array is too large (18446744073709551615 elements)}} */
   9 char buffer2[0x7FFF'FFFF'FFFF'FFFFwb];   /* expected-error {{array is too large (9223372036854775807 elements)}} */
  10 char buffer1[0x1FFF'FFFF'FFFF'FFFFwb];   /* array is juuuuuust right */
  11
  12 /* The largest object we can create is still smaller than SIZE_MAX. */
  13 static_assert(0x1FFF'FFFF'FFFF'FFFFwb <= __SIZE_MAX__);