https://sourceware.org/bugzilla/show_bug.cgi?id=28690
Bug ID: 28690
Summary: `nm-new -a -l -D` produces inconsistent outputs.
Product: binutils
Version: 2.38 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: shaohua.li at inf dot ethz.ch
Target Milestone: ---
Created attachment 13846
--> https://sourceware.org/bugzilla/attachment.cgi?id=13846&action=edit
nm-new_diff
Hi there,
I compiled `binutils` with `gcc11` and `clang13` separately. For the provided
input, `nm-new -a -l -D` would produce different outputs on it.
- Compiler: gcc11 and clang13
- Platform: Ubuntu 20.04.4 LTS, x64_64
- Reproduce:
1) let `gcc11` compiled binary be `nm-new-gcc11` and `clang13` be
`nm-new-clang13`;
2) run the following:
$ nm-new-gcc11 -a -l -D nm-new_diff > out_gcc11
$
$ nm-new-clang13 -a -l -D nm-new_diff > out_clang13
$
$ diff out_gcc11 out_clang13
< /nm-new/bin/ DWARF error: could not find abbrev number 93
18c17,18
< 0000ffff N .debug_info
---
> 0000ffff N .debug_info/nm-new/bin/ DWARF error: could not find abbrev number
> 93
>
$
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