Give explicit template instantiations weak ODR linkage. Former
iterations of this patch gave explicit template instantiation
link-once ODR linkage, which permitted the back end to eliminate
unused symbols. Weak ODR linkage still requires the symbols to be
generated.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98441 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/template-linkage.cpp b/test/CodeGenCXX/template-linkage.cpp
index 5d573d6..ccd61a7 100644
--- a/test/CodeGenCXX/template-linkage.cpp
+++ b/test/CodeGenCXX/template-linkage.cpp
@@ -6,19 +6,19 @@
 
 // Explicit instantiations have external linkage.
 
-// CHECK: define void @_ZN1AIiE1gEv(
+// CHECK: define weak_odr void @_ZN1AIiE1gEv(
 template void A<int>::g();
 
-// CHECK: define void @_ZN1AIfE1fEf(
-// CHECK: define void @_ZN1AIfE1gEv(
+// CHECK: define weak_odr void @_ZN1AIfE1fEf(
+// CHECK: define weak_odr void @_ZN1AIfE1gEv(
 // FIXME: This should also emit the vtable.
 template struct A<float>;
 
-// CHECK: define void @_Z1fIiEvT_
+// CHECK: define weak_odr void @_Z1fIiEvT_
 template <typename T> void f(T) { }
 template void f<int>(int);
 
-// CHECK: define void @_Z1gIiEvT_
+// CHECK: define weak_odr void @_Z1gIiEvT_
 template <typename T> inline void g(T) { }
 template void g<int>(int);