llvm/test/tools/llvm-objcopy/ELF/bad-output-format.test

# RUN: yaml2obj %s > %t.o

# RUN: not llvm-objcopy -O xyz %t.o %t.2.o 2>&1 \
# RUN:   | FileCheck %s --check-prefix=BAD-OUTPUT-FORMAT

!ELF
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  Type:            ET_EXEC
  Machine:         EM_386

# BAD-OUTPUT-FORMAT: Invalid output format: 'xyz'.