[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, 0 deletions

diff --git a/llvm/lib/Support/CommandLine.cpp b/llvm/lib/Support/CommandLine.cpp
index a47af2729f3..44a88d81e3a 100644
--- a/llvm/lib/Support/CommandLine.cpp
+++ b/llvm/lib/Support/CommandLine.cpp
@@ -60,6 +60,8 @@ TEMPLATE_INSTANTIATION(class opt<char>);
 TEMPLATE_INSTANTIATION(class opt<bool>);
 } } // end namespace llvm::cl
 
+// Pin the vtables to this file.
+void GenericOptionValue::anchor() {}
 void OptionValue<boolOrDefault>::anchor() {}
 void OptionValue<std::string>::anchor() {}
 void Option::anchor() {}
@@ -73,6 +75,7 @@ void parser<double>::anchor() {}
 void parser<float>::anchor() {}
 void parser<std::string>::anchor() {}
 void parser<char>::anchor() {}
+void StringSaver::anchor() {}
 
 //===----------------------------------------------------------------------===//