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* [Bug c/100924] New: GCC 11.1.1 internal compiler error: segfault at VLA function definition
@ 2021-06-05 11:12 christian.holme at med dot uni-goettingen.de
2021-06-05 11:13 ` [Bug c/100924] " christian.holme at med dot uni-goettingen.de
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: christian.holme at med dot uni-goettingen.de @ 2021-06-05 11:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100924
Bug ID: 100924
Summary: GCC 11.1.1 internal compiler error: segfault at VLA
function definition
Product: gcc
Version: 11.1.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: christian.holme at med dot uni-goettingen.de
Target Milestone: ---
Created attachment 50949
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50949&action=edit
Failing source
Hey,
when compiling the attached vlatest_min.c, I encounter an internal compiler
error: segmentation fault with gcc 11.1.1. The precise version information
(collected with gcc -v) can be found in the attached compilation log.
With gcc master from 2021-06-02 it compiles without error.
Changing optimization level from -O3 to -O1 also removes the segfault, but -O2
still segfaults.
I have also attached the compiler output for both gcc 11 and 12 (master) and
the preprocessed files in both cases.
Since a fix for it exists on master, I am submitting this bug report in the
hopes that it will make it easier to fix in the next release of gcc 11.
Best regards
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/100924] GCC 11.1.1 internal compiler error: segfault at VLA function definition
2021-06-05 11:12 [Bug c/100924] New: GCC 11.1.1 internal compiler error: segfault at VLA function definition christian.holme at med dot uni-goettingen.de
@ 2021-06-05 11:13 ` christian.holme at med dot uni-goettingen.de
2021-06-05 11:14 ` christian.holme at med dot uni-goettingen.de
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: christian.holme at med dot uni-goettingen.de @ 2021-06-05 11:13 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100924
--- Comment #1 from Christian Holme <christian.holme at med dot uni-goettingen.de> ---
Created attachment 50950
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50950&action=edit
Compilation log with gcc 11.1.1, including exact version and command line
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/100924] GCC 11.1.1 internal compiler error: segfault at VLA function definition
2021-06-05 11:12 [Bug c/100924] New: GCC 11.1.1 internal compiler error: segfault at VLA function definition christian.holme at med dot uni-goettingen.de
2021-06-05 11:13 ` [Bug c/100924] " christian.holme at med dot uni-goettingen.de
@ 2021-06-05 11:14 ` christian.holme at med dot uni-goettingen.de
2021-06-05 11:14 ` christian.holme at med dot uni-goettingen.de
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: christian.holme at med dot uni-goettingen.de @ 2021-06-05 11:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100924
--- Comment #2 from Christian Holme <christian.holme at med dot uni-goettingen.de> ---
Created attachment 50951
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50951&action=edit
Source prepocessed with gcc 11.1.1
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/100924] GCC 11.1.1 internal compiler error: segfault at VLA function definition
2021-06-05 11:12 [Bug c/100924] New: GCC 11.1.1 internal compiler error: segfault at VLA function definition christian.holme at med dot uni-goettingen.de
2021-06-05 11:13 ` [Bug c/100924] " christian.holme at med dot uni-goettingen.de
2021-06-05 11:14 ` christian.holme at med dot uni-goettingen.de
@ 2021-06-05 11:14 ` christian.holme at med dot uni-goettingen.de
2021-06-07 10:23 ` rguenth at gcc dot gnu.org
2021-06-07 13:25 ` jakub at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: christian.holme at med dot uni-goettingen.de @ 2021-06-05 11:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100924
--- Comment #3 from Christian Holme <christian.holme at med dot uni-goettingen.de> ---
Created attachment 50952
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50952&action=edit
Compilation log with gcc master, including exact version and command line
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/100924] GCC 11.1.1 internal compiler error: segfault at VLA function definition
2021-06-05 11:12 [Bug c/100924] New: GCC 11.1.1 internal compiler error: segfault at VLA function definition christian.holme at med dot uni-goettingen.de
` (2 preceding siblings ...)
2021-06-05 11:14 ` christian.holme at med dot uni-goettingen.de
@ 2021-06-07 10:23 ` rguenth at gcc dot gnu.org
2021-06-07 13:25 ` jakub at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-06-07 10:23 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100924
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2021-06-07
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
Keywords| |needs-bisection
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/100924] GCC 11.1.1 internal compiler error: segfault at VLA function definition
2021-06-05 11:12 [Bug c/100924] New: GCC 11.1.1 internal compiler error: segfault at VLA function definition christian.holme at med dot uni-goettingen.de
` (3 preceding siblings ...)
2021-06-07 10:23 ` rguenth at gcc dot gnu.org
@ 2021-06-07 13:25 ` jakub at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2021-06-07 13:25 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100924
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |DUPLICATE
CC| |jakub at gcc dot gnu.org
Status|NEW |RESOLVED
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Dup
*** This bug has been marked as a duplicate of bug 100250 ***
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2021-06-07 13:25 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2021-06-05 11:12 [Bug c/100924] New: GCC 11.1.1 internal compiler error: segfault at VLA function definition christian.holme at med dot uni-goettingen.de
2021-06-05 11:13 ` [Bug c/100924] " christian.holme at med dot uni-goettingen.de
2021-06-05 11:14 ` christian.holme at med dot uni-goettingen.de
2021-06-05 11:14 ` christian.holme at med dot uni-goettingen.de
2021-06-07 10:23 ` rguenth at gcc dot gnu.org
2021-06-07 13:25 ` jakub at gcc dot gnu.org
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