This reverts commit 0aaf634152f25a805563d552e72d89e8202d84f2.
Reverted this because of build failure https://lab.llvm.org/buildbot#builders/245/builds/7035
/home/tcwg-buildbot/worker/clang-armv8-quick/llvm/llvm/test/DebugInfo/Generic/incorrect-variable-debugloc1.ll:28:12: error: DWARF23: expected string not found in input
; DWARF23: DW_OP_lit13{{$}}
^
<stdin>:1:1: note: scanning from here
-: file format elf32-littlearm
^
<stdin>:19:20: note: possible intended match here
DW_AT_frame_base (DW_OP_reg13 SP)
^
9bc5e8c87e