llvm-svn: 132264

llvm-svn: 131852

llvm-svn: 131667

llvm-svn: 131484

llvm-svn: 131408

workaround relied on rvalue references binding to non-function
lvalues, while the original formulation (with std::forward) does the
right thing.

llvm-svn: 124241

llvm-svn: 119395

llvm-svn: 115930

llvm-svn: 114496

llvm-svn: 113686

llvm-svn: 111750

llvm-svn: 111672

llvm-svn: 111547

llvm-svn: 110828

llvm-svn: 105393

llvm-svn: 103516

llvm-svn: 103490