llvm/clang/test/C/C99/n725.c

// RUN: %clang_cc1 -verify -triple i386-unknown-unknown %s
// RUN: %clang_cc1 -verify -triple x86_64-unknown-unknown %s
// expected-no-diagnostics

/* WG14 N725: Yes
 * Integer promotion rules
 */
_Static_assert((int)0x80000000U == -2147483648, "");
_Static_assert((unsigned int)-1 == 0xFFFFFFFF, "");