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* [Bug c++/70075] incorrect initialization of multidimensional VLAs
[not found] <bug-70075-4@http.gcc.gnu.org/bugzilla/>
@ 2020-07-01 0:23 ` msebor at gcc dot gnu.org
2020-11-03 5:26 ` egallager at gcc dot gnu.org
1 sibling, 0 replies; 2+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-07-01 0:23 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70075
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |chengcongxiu at huawei dot com
--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
*** Bug 95993 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug c++/70075] incorrect initialization of multidimensional VLAs
[not found] <bug-70075-4@http.gcc.gnu.org/bugzilla/>
2020-07-01 0:23 ` [Bug c++/70075] incorrect initialization of multidimensional VLAs msebor at gcc dot gnu.org
@ 2020-11-03 5:26 ` egallager at gcc dot gnu.org
1 sibling, 0 replies; 2+ messages in thread
From: egallager at gcc dot gnu.org @ 2020-11-03 5:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70075
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |egallager at gcc dot gnu.org
--- Comment #5 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Eric Gallager from comment #3)
> (In reply to Eric Gallager from comment #2)
> >
> > I get this output on i386-apple-darwin9.8.0 with gcc8:
> >
> > $ /usr/local/bin/g++ -Wall -Wextra -Wpedantic -o 70075.exe 70075.cc
> > 70075.cc: In function ‘void bar(int)’:
> > 70075.cc:4:13: warning: ISO C++ forbids variable length array ‘a’ [-Wvla]
> > char a[m][n] = { { 0, 1, 2 } };
> > ^
> > $ ./70075.exe
> > 0 1 2 0 0 0 -32 -113
> > $
> >
> > (i.e. no errors)
>
> Running the program on x86_64-apple-darwin10.8.0 with gcc9, it prints this
> instead:
> 0 1 2 0 9 0 0 0
> (still no errors though)
Update for gcc 11 on x86_64-apple-darwin19.6.0:
0 1 2 0 0 0 0 0
So, not only are there no errors now, but it also looks like everything after
the "0 1 2" is now properly zero-initialized? FIXED?
^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] <bug-70075-4@http.gcc.gnu.org/bugzilla/>
2020-07-01 0:23 ` [Bug c++/70075] incorrect initialization of multidimensional VLAs msebor at gcc dot gnu.org
2020-11-03 5:26 ` egallager at gcc dot gnu.org
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