Bug 925933

Summary:	dev-util/wasm3-0.5.0 fails to compile: m3_code.c:89:16: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
Product:	Gentoo Linux	Reporter:	Agostino Sarubbo <ago>
Component:	Current packages	Assignee:	Maciej Barć <xgqt>
Status:	RESOLVED FIXED
Severity:	normal	CC:	eschwartz
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---
Bug Depends on:
Bug Blocks:	618550
Attachments:	build.log

Description Agostino Sarubbo gentoo-dev

2024-03-01 19:26:13 UTC

https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/

Issue: dev-util/wasm3-0.5.0 fails to compile.
Discovered on: amd64 (internal ref: lto_tinderbox)
System: LTO-SYSTEM (https://wiki.gentoo.org/wiki/Project:Tinderbox/Common_Issues_Helper#LTO)

Info about the issue:
https://wiki.gentoo.org/wiki/Project:Tinderbox/Common_Issues_Helper#CF0014

Comment 1 Agostino Sarubbo gentoo-dev

2024-03-01 19:26:14 UTC

Created attachment 886453 [details]
build.log

build log and emerge --info

Comment 2 Agostino Sarubbo gentoo-dev

2024-03-01 19:26:15 UTC

Error(s) that match a know pattern in addition to what has been reported in the summary:


FAILED: source/CMakeFiles/m3.dir/m3_code.c.o 
FAILED: source/CMakeFiles/m3.dir/m3_compile.c.o 
/var/tmp/portage/dev-util/wasm3-0.5.0/work/wasm3-0.5.0/source/m3_code.c:89:16: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]

Comment 3 Larry the Git Cow gentoo-dev

2024-03-04 01:03:33 UTC

The bug has been closed via the following commit(s):

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=7fb3a58a392a84bc577f602352d3350e2896805c

commit 7fb3a58a392a84bc577f602352d3350e2896805c
Author:     Maciej Barć <xgqt@gentoo.org>
AuthorDate: 2024-03-04 00:22:34 +0000
Commit:     Maciej Barć <xgqt@gentoo.org>
CommitDate: 2024-03-04 01:03:30 +0000

    dev-util/wasm3: filter lto and strict-aliasing
    
    Closes: https://bugs.gentoo.org/925933
    Signed-off-by: Maciej Barć <xgqt@gentoo.org>

 dev-util/wasm3/wasm3-0.5.0.ebuild | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Comment 4 Eli Schwartz gentoo-dev

2024-03-04 01:17:27 UTC

https://github.com/wasm3/wasm3/commit/22fa923eefed0038ca5b4ebec0462644c119848c
https://github.com/wasm3/wasm3/commit/8e2db951d61c1fbc0f96e98e6d85a45277bafc32

Maybe fixed in git?

Comment 5 Sam James archtester

2024-03-04 01:57:17 UTC

(In reply to Eli Schwartz from comment #4)
> https://github.com/wasm3/wasm3/commit/
> 22fa923eefed0038ca5b4ebec0462644c119848c
> https://github.com/wasm3/wasm3/commit/
> 8e2db951d61c1fbc0f96e98e6d85a45277bafc32
> 
> Maybe fixed in git?

Yeah, looks right at a glance.