Made test more target agnostic

Recommits r295975 (Added regression tests), reverted in r295975,
because it did not work on non-X86 targets.

llvm-svn: 296116

clang/test/SemaCXX/friend3.cpp

@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -S -triple %itanium_abi_triple -std=c++11 -emit-llvm %s -o - | FileCheck %s
+
+namespace pr8852 {
+void foo();
+struct S {
+  friend void foo() {}
+};
+
+void main() {
+  foo();
+}
+// CHECK: define {{.*}} @_ZN6pr88523fooEv
+}
+
+namespace pr9518 {
+template<typename T>
+struct provide {
+  friend T f() { return T(); }
+};
+
+void g() {
+  void f();
+  provide<void> p;
+  f();
+}
+// CHECK: define {{.*}} @_ZN6pr95181fEv
+}