gcc/testsuite/g++.dg/cpp1z/has-unique-obj-representations3.C


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// PR c++/109096
// { dg-do compile { target c++11 } }

#define INTB (__SIZEOF_INT__ * __CHAR_BIT__)
struct U { int i : INTB * 3 / 4; int : INTB / 4; };
struct V { int : INTB * 3 / 4; int j : INTB / 4; };
struct W { int i; int : 0; int j; };
static_assert (__has_unique_object_representations (U) == false, "");
static_assert (__has_unique_object_representations (V) == false, "");
static_assert (sizeof (W) != 2 * sizeof (int) || __has_unique_object_representations (W) == true, "");