Handle layout of non-virtual base classes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76348 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/class-layout.cpp b/test/SemaCXX/class-layout.cpp
new file mode 100644
index 0000000..0cb5a6d
--- /dev/null
+++ b/test/SemaCXX/class-layout.cpp
@@ -0,0 +1,31 @@
+// RUN: clang-cc -triple x86_64-unknown-unknown %s -fsyntax-only -verify 
+
+#define SA(n, p) int a##n[(p) ? 1 : -1]
+
+struct A {
+  int a;
+  char b;
+};
+
+SA(0, sizeof(A) == 8);
+
+struct B : A {
+  char c;
+};
+
+SA(1, sizeof(B) == 12);
+
+struct C {
+// Make fields private so C won't be a POD type.
+private:
+  int a;
+  char b;
+};
+
+SA(2, sizeof(C) == 8);
+
+struct D : C {
+  char c;
+};
+
+SA(3, sizeof(D) == 8);