Patch to build list of inherited virtual base classes

in their order of construction for each class and use it 
to to check on propery order of base class construction 
under -Wreorder option.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75270 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 64 insertions, 6 deletions

diff --git a/test/SemaCXX/warn-reorder-ctor-initialization.cpp b/test/SemaCXX/warn-reorder-ctor-initialization.cpp
index 83b671010c..107c89355e 100644
--- a/test/SemaCXX/warn-reorder-ctor-initialization.cpp
+++ b/test/SemaCXX/warn-reorder-ctor-initialization.cpp
@@ -1,18 +1,76 @@
 // RUN: clang-cc  -fsyntax-only -Wreorder -verify %s
 
-struct B {};
+struct BB {};
 
-struct B1 {};
+struct BB1 {};
 
-class complex : public B, B1 { 
+class complex : public BB, BB1 { 
 public: 
   complex() : s2(1),  // expected-warning {{member 's2' will be initialized after}}
               s1(1) , // expected-note {{field s1}} 
               s3(3),  // expected-warning {{member 's3' will be initialized after}} 
-              B1(),   // expected-note {{base 'struct B1'}}  \
-                      // expected-warning {{base class 'struct B1' will be initialized after}}
-              B() {}  // expected-note {{base 'struct B'}}
+              BB1(),   // expected-note {{base 'struct BB1'}}  \
+                      // expected-warning {{base class 'struct BB1' will be initialized after}}
+              BB() {}  // expected-note {{base 'struct BB'}}
   int s1;
   int s2;
   int s3;
 }; 
+
+
+// testing virtual bases.
+
+
+struct V { 
+  V();
+};
+
+struct A : public virtual V { 
+  A(); 
+};
+
+struct B : public virtual V {
+  B(); 
+};
+
+struct Diamond : public A, public B {
+  Diamond() : A(), B() {}
+};
+
+
+struct C : public A, public B, private virtual V { 
+  C() { }
+};
+
+
+struct D : public A, public B { 
+  D()  : A(), V() {   } // expected-warning {{base class 'struct A' will be initialized after}} \
+                        // expected-note {{base 'struct V'}}
+};
+
+
+struct E : public A, public B, private virtual V { 
+  E()  : A(), V() {  } // expected-warning {{base class 'struct A' will be initialized after}} \
+                       // expected-note {{base 'struct V'}}
+};
+
+
+struct A1  { 
+  A1(); 
+};
+
+struct B1 {
+  B1();
+};
+
+struct F : public A1, public B1, private virtual V { 
+  F()  : A1(), V() {  }	// expected-warning {{base class 'struct A1' will be initialized after}} \
+			// expected-note {{base 'struct V'}}
+};
+
+struct X : public virtual A, virtual V, public virtual B {
+  X(): A(), V(), B() {}	// expected-warning {{base class 'struct A' will be initialized after}} \
+			// expected-note {{base 'struct V'}}
+};
+
+