[ELF][ARM] Fix veneer symbol names in Release build
[ELF][ARM] Fix veneer symbol names in Release build

The fix is for r228680.
This makes tests also work.


git-svn-id: f6089bf0e6284f307027cef4f64114ee9ebb0424@228837 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lld,llvm-mirror/lld