Tests for r151508.

llvm-svn: 151509

clang/test/CXX/expr/expr.ass/p9-cxx11.cpp

@@ -0,0 +1,32 @@
+// RUN: %clang_cc1 -verify -std=c++11 %s
+
+template<typename T> struct complex {
+  complex(T = T(), T = T());
+  void operator+=(complex);
+  T a, b;
+};
+
+void std_example() {
+  complex<double> z;
+  z = { 1, 2 };
+  z += { 1, 2 };
+
+  // FIXME: implement semantics of scalar init list assignment.
+  int a, b;
+  a = b = { 1 }; // unexpected-error {{incompatible type 'void'}}
+  a = { 1 } = b; // unexpected-error {{incompatible type 'void'}}
+}
+
+struct S {
+  constexpr S(int a, int b) : a(a), b(b) {}
+  int a, b;
+};
+struct T {
+  constexpr int operator=(S s) { return s.a; }
+  constexpr int operator+=(S s) { return s.b; }
+};
+static_assert((T() = {4, 9}) == 4, "");
+static_assert((T() += {4, 9}) == 9, "");
+
+int k1 = T() = { 1, 2 } = { 3, 4 }; // expected-error {{expected ';'}}
+int k2 = T() = { 1, 2 } + 1; // expected-error {{expected ';'}}

clang/test/SemaCXX/cxx98-compat.cpp

@@ -45,6 +45,8 @@ int InitList() {
   (void)int{}; // expected-warning {{generalized initializer lists are incompatible with C++98}} \
                // expected-warning {{scalar initialized from empty initializer list is incompatible with C++98}}
   int x { 0 }; // expected-warning {{generalized initializer lists are incompatible with C++98}}
+  S<int> s = {}; // ok, aggregate
+  s = {}; // expected-warning {{generalized initializer lists are incompatible with C++98}}
   return { 0 }; // expected-warning {{generalized initializer lists are incompatible with C++98}}
 }