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* [Bug default/27474] New: [dwz] Report unknown dwarf problem only once
@ 2021-02-26 12:33 vries at gcc dot gnu.org
  0 siblings, 0 replies; only message in thread
From: vries at gcc dot gnu.org @ 2021-02-26 12:33 UTC (permalink / raw)
  To: dwz

https://sourceware.org/bugzilla/show_bug.cgi?id=27474

            Bug ID: 27474
           Summary: [dwz] Report unknown dwarf problem only once
           Product: dwz
           Version: unspecified
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: default
          Assignee: nobody at sourceware dot org
          Reporter: vries at gcc dot gnu.org
                CC: dwz at sourceware dot org
  Target Milestone: ---

I run the gdb testsuite with target boards cc-with-dwz and cc-with-dwz-m to
test dwz against gdb.

I have a grepping script that filters out known irrelevant dwz messages.

However, consider this output:
...
gdb compile failed, dwz:
/home/vries/gdb_versions/devel/build/gdb/testsuite/outputs/gdb.dwarf2/loclists-multiple-cus/loclists-multiple-cus-dw32:
Unknown DWARF DW_FORM_loclistx
dwz:
/home/vries/gdb_versions/devel/build/gdb/testsuite/outputs/gdb.dwarf2/loclists-multiple-cus/loclists-multiple-cus-dw32:
Couldn't read abbrev at offset 0x64
...

AFAICT, these are two error message caused by the same problem.

The "Unknown DWARF DW_FORM_loclistx" is specific enough to filter out.

But the "Couldn't read abbrev at offset 0x64" isn't.

It would be better if there was only one, specific error message for this.

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2021-02-26 12:33 [Bug default/27474] New: [dwz] Report unknown dwarf problem only once vries at gcc dot gnu.org

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