nuudlman/llvm: llvm/test/tools/llvm-objdump/dwarf

Compiler projects using llvm

## Test invalid use of the --dwarf option.

# RUN: yaml2obj %s -o %t
# RUN: not llvm-objdump --dwarf=bad_value %t 2>&1 | FileCheck %s --check-prefix=ERROR

# ERROR: error: 'bad_value' is not a valid value for '--dwarf='

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL