[weak vtables] Remove a bunch of weak vtables

This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file. The memory leaks in this version have been fixed. Thanks
Alexey for pointing them out.

Differential Revision: http://llvm-reviews.chandlerc.com/D2068

Reviewed by Andy

llvm-svn: 195064

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/examples/ExceptionDemo/ExceptionDemo.cpp b/llvm/examples/ExceptionDemo/ExceptionDemo.cpp
index 61b17509..6a0d0d0 100644
--- a/llvm/examples/ExceptionDemo/ExceptionDemo.cpp
+++ b/llvm/examples/ExceptionDemo/ExceptionDemo.cpp
@@ -1577,9 +1577,11 @@ public:
                                  std::runtime_error::operator=(toCopy)));
   }
 
-  ~OurCppRunException (void) throw () {}
+  ~OurCppRunException (void) throw ();
 };
 
+// Provide out-of-line definition to prevent weak vtable.
+OurCppRunException::~OurCppRunException() throw () {}
 
 /// Throws foreign C++ exception.
 /// @param ignoreIt unused parameter that allows function to match implied