Vendor import of clang trunk r126079:

http://llvm.org/svn/llvm-project/cfe/trunk@126079

1 files changed, 38 insertions, 0 deletions

diff --git a/test/CXX/expr/expr.unary/expr.sizeof/p5-0x.cpp b/test/CXX/expr/expr.unary/expr.sizeof/p5-0x.cpp
new file mode 100644
index 0000000..3824615
--- /dev/null
+++ b/test/CXX/expr/expr.unary/expr.sizeof/p5-0x.cpp
@@ -0,0 +1,38 @@
+// RUN: %clang_cc1 -std=c++0x -fsyntax-only -verify %s
+
+// Test parsing + semantic analysis
+template<typename ...Types> struct count_types {
+  static const unsigned value = sizeof...(Types);
+};
+
+template<int ...Values> struct count_ints {
+  static const unsigned value = sizeof...(Values);
+};
+
+// Test instantiation
+int check_types[count_types<short, int, long>::value == 3? 1 : -1];
+int check_ints[count_ints<1, 2, 3, 4, 5>::value == 5? 1 : -1];
+
+// Test instantiation involving function parameter packs.
+struct any {
+  template<typename T> any(T);
+};
+
+template<typename ...Inits>
+void init_me(Inits ...inits) {
+  any array[sizeof...(inits)] = { inits... };
+}
+
+template void init_me<int, float, double*>(int, float, double*);
+
+// Test parser and semantic recovery.
+template<int Value> struct count_ints_2 {
+  static const unsigned value = sizeof...(Value); // expected-error{{'Value' does not refer to the name of a parameter pack}}
+};
+
+template<typename ...Types> // expected-note{{parameter pack 'Types' declared here}}
+struct count_types_2 {
+  static const unsigned value = sizeof... Type; // expected-error{{missing parentheses around the size of parameter pack 'Type'}} \
+  // expected-error{{Type' does not refer to the name of a parameter pack; did you mean 'Types'?}}
+};
+