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-rw-r--r--test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp61
1 files changed, 61 insertions, 0 deletions
diff --git a/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp b/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp
new file mode 100644
index 000000000000..16394110d054
--- /dev/null
+++ b/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp
@@ -0,0 +1,61 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// C++03 requires that we check for a copy constructor when binding a
+// reference to a temporary, since we are allowed to make a copy, Even
+// though we don't actually make that copy, make sure that we diagnose
+// cases where that copy constructor is somehow unavailable.
+
+struct X1 {
+ X1();
+ explicit X1(const X1&);
+};
+
+struct X2 {
+ X2();
+
+private:
+ X2(const X2&); // expected-note{{declared private here}}
+};
+
+struct X3 {
+ X3();
+
+private:
+ X3(X3&); // expected-note{{candidate constructor not viable: no known conversion from 'X3' to 'X3 &' for 1st argument}}
+};
+
+// Check for instantiation of default arguments
+template<typename T>
+T get_value_badly() {
+ double *dp = 0;
+ T *tp = dp; // expected-error{{ cannot initialize a variable of type 'int *' with an lvalue of type 'double *'}}
+ return T();
+}
+
+template<typename T>
+struct X4 {
+ X4();
+ X4(const X4&, T = get_value_badly<T>()); // expected-note{{in instantiation of}}
+};
+
+// Check for "dangerous" default arguments that could cause recursion.
+struct X5 {
+ X5();
+ X5(const X5&, const X5& = X5()); // expected-error{{no viable constructor copying parameter of type 'X5'}}
+};
+
+void g1(const X1&);
+void g2(const X2&);
+void g3(const X3&);
+void g4(const X4<int>&);
+void g5(const X5&);
+
+void test() {
+ g1(X1()); // expected-error{{no viable constructor copying parameter of type 'X1'}}
+ g2(X2()); // expected-error{{calling a private constructor of class 'X2'}}
+ g3(X3()); // expected-error{{no viable constructor copying parameter of type 'X3'}}
+ g4(X4<int>());
+ g5(X5()); // expected-error{{no viable constructor copying parameter of type 'X5'}}
+}
+
+// Check for dangerous recursion in default arguments.