On Darwin, the linker removes functions in CommentDumper.o (Comment::dump())

despite __attribute__(__used__).  As explained by Argyrios,
> .a archive files do some stripping of their own and they remove .o files that
> contain functions that are not referenced by any other .o file.

The fix is to use these functions from another .o file.

Thanks, Argyrios!

llvm-svn: 160437

1 files changed, 2 insertions, 8 deletions

diff --git a/clang/lib/AST/CommentDumper.cpp b/clang/lib/AST/CommentDumper.cpp
index 7a075a67488..5de5ef544f1 100644
--- a/clang/lib/AST/CommentDumper.cpp
+++ b/clang/lib/AST/CommentDumper.cpp
@@ -181,14 +181,8 @@ void CommentDumper::visitFullComment(const FullComment *C) {
 
 } // unnamed namespace
 
-void Comment::dump() const {
-  CommentDumper D(llvm::errs(), NULL);
-  D.dumpSubtree(this);
-  llvm::errs() << '\n';
-}
-
-void Comment::dump(SourceManager &SM) const {
-  CommentDumper D(llvm::errs(), &SM);
+void Comment::dump(llvm::raw_ostream &OS, SourceManager *SM) const {
+  CommentDumper D(llvm::errs(), SM);
   D.dumpSubtree(this);
   llvm::errs() << '\n';
 }