Provide definitions for all functions.

ICC refuses to compile a class in an anonymous namespace if some functions
aren't defined. Fixes PR13477.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167676 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Support/AlignOfTest.cpp b/unittests/Support/AlignOfTest.cpp
index f2d1170..f01e660 100644
--- a/unittests/Support/AlignOfTest.cpp
+++ b/unittests/Support/AlignOfTest.cpp
@@ -66,6 +66,17 @@
 struct V7 : virtual V2, virtual V6 { virtual ~V7(); };
 struct V8 : V5, virtual V6, V7 { double zz; virtual ~V8(); };
 
+double S6::f() { return 0.0; }
+float D2::g() { return 0.0f; }
+V1::~V1() {}
+V2::~V2() {}
+V3::~V3() {}
+V4::~V4() {}
+V5::~V5() {}
+V6::~V6() {}
+V7::~V7() {}
+V8::~V8() {}
+
 // Ensure alignment is a compile-time constant.
 char LLVM_ATTRIBUTE_UNUSED test_arr1
   [AlignOf<char>::Alignment > 0]