llvm/test/tools/llvm-objcopy/regex-error.test

## Test if providing objcopy with an invalid regex generates an error.

# RUN: yaml2obj %s -o %t

# RUN: not llvm-objcopy --regex --strip-symbol='[^)\' %t /dev/null 2>&1 | FileCheck %s
# CHECK: error: cannot compile regular expression '[^)\'

!ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_EXEC
  Machine: EM_X86_64