clang/test/CXX/dcl.decl/dcl.init/dcl.init.aggr/p7.cpp

   1 // RUN: %clang_cc1 -Wno-uninitialized -std=c++1y %s -verify
   2
   3 // expected-no-diagnostics
   4
   5 struct S { int a; const char *b; int c; int d = b[a]; };
   6 constexpr S ss = { 1, "asdf" };
   7
   8 static_assert(ss.a == 1, "");
   9 static_assert(ss.b[2] == 'd', "");
  10 static_assert(ss.c == 0, "");
  11 static_assert(ss.d == 's', "");
  12
  13 struct X { int i, j, k = 42; };
  14 constexpr X a[] = { 1, 2, 3, 4, 5, 6 };
  15 constexpr X b[2] = { { 1, 2, 3 }, { 4, 5, 6 } };
  16
  17 constexpr bool operator==(X a, X b) {
  18   return a.i == b.i && a.j == b.j && a.k == b.k;
  19 }
  20
  21 static_assert(sizeof(a) == sizeof(b), "");
  22 static_assert(a[0] == b[0], "");
  23 static_assert(a[1] == b[1], "");