diff --git a/lib/CodeGen/Mangle.cpp b/lib/CodeGen/Mangle.cpp
index 58b0246..f408849 100644
--- a/lib/CodeGen/Mangle.cpp
+++ b/lib/CodeGen/Mangle.cpp
@@ -304,6 +304,10 @@
       return false;
   }
 
+  // Class members are always mangled.
+  if (D->getDeclContext()->isRecord())
+    return true;
+
   // C functions and "main" are not mangled.
   if ((FD && FD->isMain()) || isInCLinkageSpecification(D))
     return false;
diff --git a/test/CodeGenCXX/mangle.cpp b/test/CodeGenCXX/mangle.cpp
index 814a759..37af79b 100644
--- a/test/CodeGenCXX/mangle.cpp
+++ b/test/CodeGenCXX/mangle.cpp
@@ -507,3 +507,14 @@
   // CHECK: define weak_odr void @_ZN6test133fooINS_1BEEEvRKNS_1AIT_EE(
   template void foo(const A<B> &a);
 }
+
+namespace test14 {
+  extern "C" {
+    struct S {
+      static int a(), x;
+    };
+    // CHECK: define i32 @_ZN6test141S1aEv
+    // CHECK: load i32* @_ZN6test141S1xE
+    int S::a() { return S::x; }
+  }
+}