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Re: [PATCH] Fix maybe-uninitialized warnings found by gcc 9 -flto

From
Stephan Beyer <s-beyer@gmx.net>
Date
Sep 5, 2019, 22:53 UTC
Message-ID
<963e5249-82ca-8961-917a-f45c20b1affe@gmx.net>
In-Reply-To
<20190905224859.GA28660@sigill.intra.peff.net>
On 9/6/19 12:48 AM, Jeff King wrote:
Show 11 quoted lines
> On Thu, Sep 05, 2019 at 10:24:59AM +0200, Stephan Beyer wrote:
>
>> Compiler heuristics for detection of potentially uninitialized variables
>> may change between compiler versions and enabling link-time optimization
>> may find new warnings.  Indeed, compiling with gcc 9.2.1 and enabled
>> link-time optimization feature resulted in a few hits that are fixed by
>> this patch in the most naïve way.  This allows to compile git using the
>> DEVELOPER=1 switch (which sets -Werror) and using the -flto flag.
>
> Lots of discussion in this thread. Let's try to turn it into some
> patches. :)
I thought the same and just sent my version of it. :D
Stephan
Previous: Jeff KingNext: Jeff King
Message 17 of 23 in “Fix maybe-uninitialized warnings found by gcc 9 -flto”
  1. Fix maybe-uninitialized warnings found by gcc 9 -fltoStephan Beyer, Sep 5, 2019
  2. René ScharfeSep 5, 2019
  3. Jeff KingSep 5, 2019
  4. René ScharfeSep 5, 2019
  5. Junio C HamanoSep 5, 2019
  6. René ScharfeSep 5, 2019
  7. Junio C HamanoSep 5, 2019
  8. Junio C HamanoSep 5, 2019
  9. Junio C HamanoSep 5, 2019
  10. Jeff KingSep 5, 2019
  11. Junio C HamanoSep 5, 2019
  12. Jeff KingSep 5, 2019
  13. 1/6 git-am: handle missing "author" when parsing commitJeff King, Sep 5, 2019
  14. 2/6 pack-objects: use object_id in packlist_alloc()Jeff King, Sep 5, 2019
  15. 3/6 bulk-checkin: zero-initialize hashfile_checkpointJeff King, Sep 5, 2019
  16. 4/6 diff-delta: set size out-parameter to 0 for NULL deltaJeff King, Sep 5, 2019
  17. Stephan BeyerSep 5, 2019
  18. Jeff KingSep 5, 2019
  19. Stephan BeyerSep 5, 2019
  20. Jeff KingSep 6, 2019
  21. 6/6 pack-objects: drop packlist index_pos optimizationJeff King, Sep 6, 2019
  22. 5/6 test-read-cache: drop namelen variableJeff King, Sep 5, 2019
  23. 6/6 pack-objects: drop packlist index_pos optimizationJeff King, Sep 5, 2019

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