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

1 files changed, 282 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/constructor-initializer.cpp b/clang/test/SemaCXX/constructor-initializer.cpp
new file mode 100644
index 0000000..e8b7f0b
--- /dev/null
+++ b/clang/test/SemaCXX/constructor-initializer.cpp
@@ -0,0 +1,282 @@
+// RUN: %clang_cc1 -Wreorder -fsyntax-only -verify %s
+class A { 
+  int m;
+public:
+   A() : A::m(17) { } // expected-error {{member initializer 'm' does not name a non-static data member or base class}}
+   A(int);
+};
+
+class B : public A { 
+public:
+  B() : A(), m(1), n(3.14) { }
+
+private:
+  int m;
+  float n;  
+};
+
+
+class C : public virtual B { 
+public:
+  C() : B() { }
+};
+
+class D : public C { 
+public:
+  D() : B(), C() { }
+};
+
+class E : public D, public B { 
+public:
+  E() : B(), D() { } // expected-error{{base class initializer 'B' names both a direct base class and an inherited virtual base class}}
+};
+
+
+typedef int INT;
+
+class F : public B { 
+public:
+  int B;
+
+  F() : B(17),
+        m(17), // expected-error{{member initializer 'm' does not name a non-static data member or base class}}
+        INT(17) // expected-error{{constructor initializer 'INT' (aka 'int') does not name a class}}
+  { 
+  }
+};
+
+class G : A {
+  G() : A(10); // expected-error{{expected '{'}}
+};
+
+void f() : a(242) { } // expected-error{{only constructors take base initializers}}
+
+class H : A {
+  H();
+};
+
+H::H() : A(10) { }
+
+
+class  X {};
+class Y {};
+
+struct S : Y, virtual X {
+  S (); 
+};
+
+struct Z : S { 
+  Z() : X(), S(), E()  {} // expected-error {{type 'E' is not a direct or virtual base of 'Z'}}
+};
+
+class U { 
+  union { int a; char* p; };
+  union { int b; double d; };
+
+  U() :  a(1), // expected-note {{previous initialization is here}}
+         p(0), // expected-error {{initializing multiple members of union}}
+         d(1.0)  {}
+};
+
+struct V {};
+struct Base {};
+struct Base1 {};
+
+struct Derived : Base, Base1, virtual V {
+  Derived ();
+};
+
+struct Current : Derived {
+  int Derived;
+  Current() : Derived(1), ::Derived(), // expected-warning {{field 'Derived' will be initialized after base '::Derived'}} \
+                                       // expected-warning {{base class '::Derived' will be initialized after base 'Derived::V'}}
+                          ::Derived::Base(), // expected-error {{type '::Derived::Base' is not a direct or virtual base of 'Current'}}
+                           Derived::Base1(), // expected-error {{type 'Derived::Base1' is not a direct or virtual base of 'Current'}}
+                           Derived::V(),
+                           ::NonExisting(), // expected-error {{member initializer 'NonExisting' does not name a non-static data member or}}
+                           INT::NonExisting()  {} // expected-error {{expected a class or namespace}} \
+                                                  // expected-error {{member initializer 'NonExisting' does not name a non-static data member or}}
+};
+
+struct M {              // expected-note 2 {{candidate constructor (the implicit copy constructor)}} \
+                        // expected-note {{declared here}} \
+                        // expected-note {{declared here}}
+  M(int i, int j);      // expected-note 2 {{candidate constructor}}
+};
+
+struct N : M  {
+  N() : M(1),        // expected-error {{no matching constructor for initialization of 'M'}}
+        m1(100) {  } // expected-error {{no matching constructor for initialization of 'M'}}
+  M m1;
+};
+
+struct P : M  {
+  P()  {  } // expected-error {{constructor for 'P' must explicitly initialize the base class 'M' which does not have a default constructor}} \
+            // expected-error {{member 'm'}}
+  M m; // expected-note {{member is declared here}}
+};
+
+struct Q {
+  Q() : f1(1,2),       // expected-error {{excess elements in scalar initializer}}
+        pf(0.0)  { }   // expected-error {{cannot initialize a member subobject of type 'float *' with an rvalue of type 'double'}}
+  float f1;
+
+  float *pf;
+};
+
+// A silly class used to demonstrate field-is-uninitialized in constructors with
+// multiple params.
+class TwoInOne { public: TwoInOne(TwoInOne a, TwoInOne b) {} };
+class InitializeUsingSelfTest {
+  bool A;
+  char* B;
+  int C;
+  TwoInOne D;
+  InitializeUsingSelfTest(int E)
+      : A(A),  // expected-warning {{field is uninitialized when used here}}
+        B((((B)))),  // expected-warning {{field is uninitialized when used here}}
+        C(A && InitializeUsingSelfTest::C),  // expected-warning {{field is uninitialized when used here}}
+        D(D,  // expected-warning {{field is uninitialized when used here}}
+          D) {}  // expected-warning {{field is uninitialized when used here}}
+};
+
+int IntWrapper(int i) { return 0; };
+class InitializeUsingSelfExceptions {
+  int A;
+  int B;
+  int C;
+  void *P;
+  InitializeUsingSelfExceptions(int B)
+      : A(IntWrapper(A)),  // Due to a conservative implementation, we do not report warnings inside function/ctor calls even though it is possible to do so.
+        B(B),  // Not a warning; B is a local variable.
+        C(sizeof(C)),  // sizeof doesn't reference contents, do not warn
+        P(&P) {} // address-of doesn't reference contents (the pointer may be dereferenced in the same expression but it would be rare; and weird)
+};
+
+class CopyConstructorTest {
+  bool A, B, C;
+  CopyConstructorTest(const CopyConstructorTest& rhs)
+      : A(rhs.A),
+        B(B),  // expected-warning {{field is uninitialized when used here}}
+        C(rhs.C || C) { }  // expected-warning {{field is uninitialized when used here}}
+};
+
+// Make sure we aren't marking default constructors when we shouldn't be.
+template<typename T>
+struct NDC {
+  T &ref;
+  
+  NDC() { }
+  NDC(T &ref) : ref(ref) { }
+};
+  
+struct X0 : NDC<int> {
+  X0(int &ref) : NDC<int>(ref), ndc(ref) { }
+  
+  NDC<int> ndc;
+};
+
+namespace Test0 {
+
+struct A { A(); };
+
+struct B {
+  B() { } 
+  const A a;
+};
+
+}
+
+namespace Test1 {
+  struct A {
+    enum Kind { Foo } Kind;
+    A() : Kind(Foo) {}
+  };
+}
+
+namespace Test2 {
+
+struct A { 
+  A(const A&);
+};
+
+struct B : virtual A { };
+struct C : A, B { };
+
+C f(C c) {
+  return c;
+}
+
+}
+
+// Don't build implicit initializers for anonymous union fields when we already
+// have an explicit initializer for another field in the union.
+namespace PR7402 {
+  struct S {
+    union {
+      void* ptr_;
+      struct { int i_; };
+    };
+
+    template <typename T> S(T) : ptr_(0) { }
+  };
+
+  void f() {
+    S s(3);
+  }
+}
+
+// <rdar://problem/8308215>: don't crash.
+// Lots of questionable recovery here;  errors can change.
+namespace test3 {
+  class A : public std::exception {}; // expected-error {{undeclared identifier}} expected-error {{expected class name}} expected-note 3 {{candidate}} expected-note {{passing argument}}
+  class B : public A {
+  public:
+    B(const String& s, int e=0) // expected-error {{unknown type name}} 
+      : A(e), m_String(s) , m_ErrorStr(__null) {} // expected-error {{no matching constructor}} expected-error {{does not name}}
+    B(const B& e)
+      : A(e), m_String(e.m_String), m_ErrorStr(__null) { // expected-error {{no viable conversion}} expected-error {{does not name}}
+    }
+  };
+}
+
+// PR8075
+namespace PR8075 {
+
+struct S1 {
+  enum { FOO = 42 };
+  static const int bar = 42;
+  static int baz();
+  S1(int);
+};
+
+const int S1::bar;
+
+struct S2 {
+  S1 s1;
+  S2() : s1(s1.FOO) {}
+};
+
+struct S3 {
+  S1 s1;
+  S3() : s1(s1.bar) {}
+};
+
+struct S4 {
+  S1 s1;
+  S4() : s1(s1.baz()) {}
+};
+
+}
+
+namespace PR12049 {
+  int function();
+
+  class Class
+  {
+  public:
+      Class() : member(function() {} // expected-note {{to match this '('}}
+
+      int member; // expected-error {{expected ')'}}
+  };
+}