http://llvm.org/bugs/show_bug.cgi?id=14944
Bug #: 14944
Summary: a.out N_SO in symbol with UID 0 has invalid sibling in
debug map
Product: lldb
Version: 3.2
Platform: Macintosh
OS/Version: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
Created attachment 9869
--> http://llvm.org/bugs/attachment.cgi?id=9869
compiled executable with bad DWARF info.
LLDB is telling me I should submit a bug about this error message:
(lldb) source list -n main
error: a.out N_SO in symbol with UID 0 has invalid sibling in debug map, please
file a bug and attach the binary listed in this error
error: Could not find function named: "main".
This is the full LLVM assembly for the attached executable. It's compiled with
the command: llc -O0 "Ides Module.ilib" && clang -c -O0 "Ides Module.ilib.s" &&
clang -O0 "Ides Module.ilib.o"
; ModuleID = 'Ides Module'
@llvm.global_ctors = appending global [0 x { i32, void ()* }] zeroinitializer
define i32 @main() {
entry:
br label %scope
scope: ; preds = %entry
ret i32 0, !dbg !8
}
!llvm.dbg.cu = !{!0}
!0 = metadata !{i32 786449, i32 0, i32 2, metadata !"test.ides", metadata !".",
metadata !"idesc", i1 true, i1 false, metadata !"", i32 0, metadata !1,
metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ] [./test.ides]
[DW_LANG_C]
!1 = metadata !{metadata !2}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{metadata !5}
!5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"main", metadata
!"main", metadata !"main", null, i32 4, metadata !7, i1 false, i1 true, i32 0,
i32 0, null, i32 0, i1 false, null, null, null, metadata !1, i32 4} ; [
DW_TAG_subprogram ] [line 4] [def] [main]
!6 = metadata !{i32 786473, metadata !"test.ides", metadata !".", null} ; [
DW_TAG_file_type ]
!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0,
i64 0, i32 0, null, metadata !2, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
[line 0, size 0, align 0, offset 0] [from ]
!8 = metadata !{i32 6, i32 2, metadata !9, null}
!9 = metadata !{i32 786443, metadata !5, i32 6, i32 2, null, i32 0} ; [
DW_TAG_lexical_block ] [/]
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