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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/106101] [12 Regression] ICE in reg_bitfield_target_p since r12-4428-g147ed0184f403b
Date: Tue, 10 Oct 2023 17:36:46 +0000 [thread overview]
Message-ID: <bug-106101-4-aaNFHeiUFj@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-106101-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106101
--- Comment #29 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Florian Weimer from comment #28)
> (In reply to Richard Biener from comment #1)
> > Created attachment 53207 [details]
> > reduced testcase
>
> Do you happen to have the unreduced test case still?
>
> int *yyvsp = 0;
>
> followed by:
>
> if (strncmp( yyvsp[0], "~", 1) == 0) {
>
> and
>
> free(yyvsp[0]);
>
> looks rather bogus.
You can make `yyvsp` and argument if you are worried about the null pointer and
you still get the crash back in 12.1.0.
That is:
```
int yyparse (int *yyvsp)
{
int yystate = 0;
```
See https://godbolt.org/z/9YMsar1Ej .
next prev parent reply other threads:[~2023-10-10 17:36 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-27 9:22 [Bug rtl-optimization/106101] New: [12/13 Regression] ICE in reg_bitfield_target_p rguenth at gcc dot gnu.org
2022-06-27 9:22 ` [Bug rtl-optimization/106101] " rguenth at gcc dot gnu.org
2022-06-27 9:22 ` rguenth at gcc dot gnu.org
2022-06-27 9:26 ` rguenth at gcc dot gnu.org
2022-06-27 15:10 ` segher at gcc dot gnu.org
2022-06-28 6:57 ` [Bug target/106101] " rguenth at gcc dot gnu.org
2022-06-28 15:03 ` segher at gcc dot gnu.org
2022-06-28 16:58 ` segher at gcc dot gnu.org
2022-06-29 9:11 ` rguenth at gcc dot gnu.org
2022-06-29 15:48 ` segher at gcc dot gnu.org
2022-07-08 13:56 ` [Bug target/106101] [12/13 Regression] ICE in reg_bitfield_target_p since r12-4428-g147ed0184f403b marxin at gcc dot gnu.org
2022-07-14 10:02 ` krebbel at gcc dot gnu.org
2022-07-19 11:53 ` krebbel at gcc dot gnu.org
2022-08-24 6:46 ` krebbel at gcc dot gnu.org
2022-08-24 11:57 ` segher at gcc dot gnu.org
2022-08-25 12:40 ` cvs-commit at gcc dot gnu.org
2022-08-25 13:02 ` krebbel at gcc dot gnu.org
2022-08-25 13:55 ` krebbel at gcc dot gnu.org
2022-08-25 15:03 ` segher at gcc dot gnu.org
2023-01-17 15:25 ` [Bug target/106101] [12 " rguenth at gcc dot gnu.org
2023-01-17 15:26 ` rguenth at gcc dot gnu.org
2023-01-23 7:58 ` cvs-commit at gcc dot gnu.org
2023-03-01 13:28 ` rguenth at gcc dot gnu.org
2023-10-10 14:29 ` fw at gcc dot gnu.org
2023-10-10 17:36 ` pinskia at gcc dot gnu.org [this message]
2023-10-10 17:39 ` pinskia at gcc dot gnu.org
2023-10-11 6:46 ` fw at gcc dot gnu.org
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