Don't try to evaluate the LHS or RHS of a member pointer binary operation. Fixes PR8507.

llvm-svn: 117850
diff --git a/clang/test/CodeGenCXX/pointers-to-data-members.cpp b/clang/test/CodeGenCXX/pointers-to-data-members.cpp
index b2deb31..41c76d0 100644
--- a/clang/test/CodeGenCXX/pointers-to-data-members.cpp
+++ b/clang/test/CodeGenCXX/pointers-to-data-members.cpp
@@ -206,3 +206,14 @@
     return x.*member;
   }
 }
+
+namespace PR8507 {
+  
+struct S;
+void f(S* p, double S::*pm) {
+  if (0 < p->*pm) {
+  }
+}
+
+}
+