Compiler projects using llvm
RUN: llvm-symbolizer 0x401000 0x401001 --obj="%p/Inputs/missing_pdb.exe" 2>%t.err \
RUN:    | FileCheck %s
RUN: FileCheck -DMSG=%errc_ENOENT --check-prefix=ERROR %s < %t.err

llvm-symbolizer should print one error and two unknown line info records.

ERROR: LLVMSymbolizer: error reading file: {{.*}}: [[MSG]]
ERROR-NOT: error reading file

CHECK: ??
CHECK: ??:0:0
CHECK: ??
CHECK: ??:0:0