[Bug backtrace/33256] incorrect prototype in backtrace when using GCC's cleanup attribute (GCC 8)

vries at gcc dot gnu.org sourceware-bugzilla@sourceware.org
Wed Aug 6 16:37:16 GMT 2025


https://sourceware.org/bugzilla/show_bug.cgi?id=33256

Tom de Vries <vries at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |NOTABUG
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |vries at gcc dot gnu.org

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
The debug info contains no info about x:
...
 <1><5b3>: Abbrev Number: 16 (DW_TAG_subprogram)
    <5b4>   DW_AT_name        : fct
 <2><5d5>: Abbrev Number: 17 (DW_TAG_formal_parameter)
    <5d6>   DW_AT_name        : y
 <2><5e2>: Abbrev Number: 17 (DW_TAG_formal_parameter)
    <5e3>   DW_AT_name        : z
 <2><5ef>: Abbrev Number: 18 (DW_TAG_subprogram)
    <5f0>   DW_AT_name        : log_cleanup
...

So yeah, it's a problem in the debug info, not gdb.

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