Merge branch 'master' of ssh://bitbucket.org/czan/honours

1 files changed, 41 insertions, 0 deletions

diff --git a/clang/test/SemaTemplate/instantiate-subscript.cpp b/clang/test/SemaTemplate/instantiate-subscript.cpp
new file mode 100644
index 0000000..8c119ec
--- /dev/null
+++ b/clang/test/SemaTemplate/instantiate-subscript.cpp
@@ -0,0 +1,41 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+
+struct Sub0 {
+  int &operator[](int);
+};
+
+struct Sub1 {
+  long &operator[](long); // expected-note{{candidate function}}
+};
+
+struct ConvertibleToInt {
+  operator int();
+};
+
+template<typename T, typename U, typename Result>
+struct Subscript0 {
+  void test(T t, U u) {
+    Result &result = t[u]; // expected-error{{no viable overloaded operator[] for type}}
+  }
+};
+
+template struct Subscript0<int*, int, int&>;
+template struct Subscript0<Sub0, int, int&>;
+template struct Subscript0<Sub1, ConvertibleToInt, long&>;
+template struct Subscript0<Sub1, Sub0, long&>; // expected-note{{instantiation}}
+
+// PR5345
+template <typename T>
+struct S {
+  bool operator[](int n) const { return true; }
+};
+
+template <typename T>
+void Foo(const S<int>& s, T x) {
+  if (s[0]) {}
+}
+
+void Bar() {
+  Foo(S<int>(), 0);
+}