Mark VTables and RTTI data linkonce_odr instead of weak_odr, with the exception of explicit template instantiations, which have to be weak_odr.

This fixes PR6996.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124089 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/typeid-ref.cpp b/test/SemaCXX/typeid-ref.cpp
index e2d3698..d01fd31 100644
--- a/test/SemaCXX/typeid-ref.cpp
+++ b/test/SemaCXX/typeid-ref.cpp
@@ -6,7 +6,7 @@
 struct X { };
 
 void f() {
-  // CHECK: @_ZTS1X = weak_odr constant
-  // CHECK: @_ZTI1X = weak_odr unnamed_addr constant 
+  // CHECK: @_ZTS1X = linkonce_odr constant
+  // CHECK: @_ZTI1X = linkonce_odr unnamed_addr constant 
   (void)typeid(X&);
 }