RUN: llvm-symbolizer --build-id=abad 0x1234 0x5678 > %t.stdout 2> %t.stderr
RUN: FileCheck %s --check-prefix=STDOUT < %t.stdout
RUN: FileCheck %s --check-prefix=STDERR < %t.stderr

STDOUT: ??
STDOUT: ??:0:0
STDOUT: ??
STDOUT: ??:0:0

STDERR-COUNT-2: LLVMSymbolizer: error reading file: could not find build ID 'ABAD'