Non-void functions need to return some value.

llvm-svn: 125185
diff --git a/clang/lib/AST/Stmt.cpp b/clang/lib/AST/Stmt.cpp
index 92af03a..6618295 100644
--- a/clang/lib/AST/Stmt.cpp
+++ b/clang/lib/AST/Stmt.cpp
@@ -91,15 +91,23 @@
   // These silly little functions have to be static inline to suppress
   // unused warnings, and they have to be defined to suppress other
   // warnings.
-  static inline good is_good(good) {}
+  static inline good is_good(good) { return good(); }
 
   typedef Stmt::child_range children_t();
-  template <class T> good implements_children(children_t T::*) {}
-  static inline bad implements_children(children_t Stmt::*) {}
+  template <class T> good implements_children(children_t T::*) {
+    return good();
+  }
+  static inline bad implements_children(children_t Stmt::*) {
+    return bad();
+  }
 
   typedef SourceRange getSourceRange_t() const;
-  template <class T> good implements_getSourceRange(getSourceRange_t T::*) {}
-  static inline bad implements_getSourceRange(getSourceRange_t Stmt::*) {}
+  template <class T> good implements_getSourceRange(getSourceRange_t T::*) {
+    return good();
+  }
+  static inline bad implements_getSourceRange(getSourceRange_t Stmt::*) {
+    return bad();
+  }
 
 #define ASSERT_IMPLEMENTS_children(type) \
   (void) sizeof(is_good(implements_children(&type::children)))