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unknown-argument.test
# RUN: not llvm-symbolizer -x --flag 2>&1 | FileCheck %s

# CHECK:      error: unknown argument '-x'{{$}}
# CHECK-NEXT: error: unknown argument '--flag'{{$}}

# RUN: not llvm-symbolizer --inline 2>&1 | FileCheck %s --check-prefix=SUGGEST

# SUGGEST: error: unknown argument '--inline', did you mean '--inlines'?

# RUN: not llvm-symbolizer -e 2>&1 | FileCheck %s --check-prefix=MISSING

# MISSING: error: -e: missing argument