1 files changed, 68 insertions, 0 deletions
diff --git a/test/SemaCXX/linkage.cpp b/test/SemaCXX/linkage.cpp
new file mode 100644
index 0000000..ba56318
--- /dev/null
+++ b/test/SemaCXX/linkage.cpp
@@ -0,0 +1,68 @@
+// This is an IR generation test because the calculation of visibility
+// during IR gen will cause linkage to be implicitly recomputed and
+// compared against the earlier cached value.  If we had a way of
+// testing linkage directly in Sema, that would be better.
+
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
+
+// PR8926
+namespace test0 {
+  typedef struct {
+    void *foo() { return 0; }
+  } A;
+
+  // CHECK: define linkonce_odr i8* @_ZN5test01A3fooEv(
+
+  void test(A *a) {
+    a->foo();
+  }
+}
+
+namespace test1 {
+  typedef struct {
+    template <unsigned n> void *foo() { return 0; }
+
+    void foo() {
+      foo<0>();
+    }
+  } A;
+
+  // CHECK: define linkonce_odr void @_ZN5test11A3fooEv(
+  // another at the end
+
+  void test(A *a) {
+    a->foo();
+  }
+}
+
+namespace test2 {
+  typedef struct {
+    template <unsigned n> struct B {
+      void *foo() { return 0; }
+    };
+
+    void foo(B<0> *b) {
+      b->foo();
+    }
+  } A;
+
+  // CHECK: define linkonce_odr void @_ZN5test21A3fooEPNS0_1BILj0EEE(
+
+  void test(A *a) {
+    a->foo(0);
+  }
+}
+
+namespace test3 {
+  namespace { struct A {}; }
+
+  // CHECK: define internal void @_ZN5test34testENS_12_GLOBAL__N_11AE(
+  void test(A a) {}
+  void force() { test(A()); }
+
+  // CHECK: define void @test3(
+  extern "C" void test3(A a) {}
+}
+
+// CHECK: define linkonce_odr i8* @_ZN5test21A1BILj0EE3fooEv(
+// CHECK: define linkonce_odr i8* @_ZN5test11A3fooILj0EEEPvv(