Add the clang library to the repo (with some of my changes, too).

1 files changed, 119 insertions, 0 deletions

diff --git a/clang/test/SemaTemplate/instantiate-expr-3.cpp b/clang/test/SemaTemplate/instantiate-expr-3.cpp
new file mode 100644
index 0000000..ca88b00
--- /dev/null
+++ b/clang/test/SemaTemplate/instantiate-expr-3.cpp
@@ -0,0 +1,119 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// ---------------------------------------------------------------------
+// Imaginary literals
+// ---------------------------------------------------------------------
+template<typename T>
+struct ImaginaryLiteral0 {
+  void f(T &x) {
+    x = 3.0I; // expected-error{{incompatible type}}
+  }
+};
+
+template struct ImaginaryLiteral0<_Complex float>;
+template struct ImaginaryLiteral0<int*>; // expected-note{{instantiation}}
+
+// ---------------------------------------------------------------------
+// Compound assignment operator
+// ---------------------------------------------------------------------
+namespace N1 {
+  struct X { };
+
+  int& operator+=(X&, int); // expected-note{{candidate}}
+}
+
+namespace N2 {
+  long& operator+=(N1::X&, long); // expected-note{{candidate}}
+
+  template<typename T, typename U, typename Result>
+  struct PlusEquals0 {
+    void f(T t, U u) {
+      Result r = t += u; // expected-error{{ambiguous}}
+    }
+  };
+}
+
+namespace N3 {
+  struct Y : public N1::X {
+    short& operator+=(long); // expected-note{{candidate}}
+  };
+}
+
+template struct N2::PlusEquals0<N1::X, int, int&>;
+template struct N2::PlusEquals0<N1::X, long, long&>;
+template struct N2::PlusEquals0<N3::Y, long, short&>;
+template struct N2::PlusEquals0<int, int, int&>;
+template struct N2::PlusEquals0<N3::Y, int, short&>; // expected-note{{instantiation}}
+
+// ---------------------------------------------------------------------
+// Conditional operator
+// ---------------------------------------------------------------------
+template<typename T, typename U, typename Result>
+struct Conditional0 {
+  void f(T t, U u) {
+    Result result = t? : u;
+  }
+};
+
+template struct Conditional0<int, int, int>;
+
+// ---------------------------------------------------------------------
+// Statement expressions
+// ---------------------------------------------------------------------
+template<typename T>
+struct StatementExpr0 {
+  void f(T t) {
+    (void)({
+        if (t) // expected-error{{contextually convertible}}
+          t = t + 17;
+        t + 12; // expected-error{{invalid operands}}
+      });
+  }
+};
+
+template struct StatementExpr0<int>;
+template struct StatementExpr0<N1::X>; // expected-note{{instantiation}}
+
+// ---------------------------------------------------------------------
+// __builtin_choose_expr
+// ---------------------------------------------------------------------
+template<bool Cond, typename T, typename U, typename Result>
+struct Choose0 {
+  void f(T t, U u) {
+    Result r = __builtin_choose_expr(Cond, t, u); // expected-error{{lvalue}}
+  }
+};
+
+template struct Choose0<true, int, float, int&>;
+template struct Choose0<false, int, float, float&>;
+template struct Choose0<true, int, float, float&>; // expected-note{{instantiation}}
+
+// ---------------------------------------------------------------------
+// __builtin_va_arg
+// ---------------------------------------------------------------------
+template<typename ArgType>
+struct VaArg0 {
+  void f(int n, ...) {
+    __builtin_va_list va;
+    __builtin_va_start(va, n);
+    for (int i = 0; i != n; ++i)
+      (void)__builtin_va_arg(va, ArgType);
+    __builtin_va_end(va);
+  }
+};
+
+template struct VaArg0<int>;
+
+template<typename VaList, typename ArgType>
+struct VaArg1 {
+  void f(int n, ...) {
+    VaList va;
+    __builtin_va_start(va, n); // expected-error{{int}}
+    for (int i = 0; i != n; ++i)
+      (void)__builtin_va_arg(va, ArgType); // expected-error{{int}}
+    __builtin_va_end(va); // expected-error{{int}}
+  }
+};
+
+template struct VaArg1<__builtin_va_list, int>;
+template struct VaArg1<int, int>; // expected-note{{instantiation}}