## Test that "llvm-objdump --traceback-table" warn when a function name's length is 0.

# RUN: yaml2obj %s -o %t.o
# RUN: llvm-objdump -d --traceback-table --symbol-description %t.o 2>&1 |\
# RUN:   FileCheck -DFILE=%t.o --implicit-check-not="warning:" --check-prefixes=WARN %s

--- !XCOFF
FileHeader:
  MagicNumber:       0x1DF
Sections:
  - Name:            .text
    Flags:           [ STYP_TEXT ]
    SectionData:     "9421ffc0000000000000204080000201000000000000000400004164644e756d00000000"
Symbols:
  - Name:            .AddNum
    Value:           0
    Section:         .text
    Type:            0x20
    StorageClass:    C_EXT
    AuxEntries:
      - Type:                   AUX_CSECT
        SectionOrLength:        0x24
        SymbolAlignmentAndType: 0x21
        StorageMappingClass:    XMC_PR

# WARN: warning: '[[FILE]]': the length of the function name must be greater than zero if the isFuncNamePresent bit is set in the traceback table