clang/test/SemaCXX/PR113855.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 struct S {};
   4
   5 union U {
   6    S x;
   7    float y;
   8 };
   9
  10 void f() {
  11    new U{0,.y=1};
  12   // expected-warning@-1 {{mixture of designated and non-designated initializers in the same initializer list is a C99 extension}}
  13   // expected-note@-2 {{first non-designated initializer is here}}
  14   // expected-error@-3 {{initializer for aggregate with no elements requires explicit braces}}
  15 }