827194 – dev-qt/qtdeclarative-5.15.2-r12: Segfault with -Os

Bug 827194 - dev-qt/qtdeclarative-5.15.2-r12: Segfault with -Os

Summary: dev-qt/qtdeclarative-5.15.2-r12: Segfault with -Os

Status:	RESOLVED NEEDINFO

Alias:	None

Product:	Gentoo Linux
Classification:	Unclassified
Component:	Current packages (show other bugs)
Hardware:	All Linux

Importance:	Normal normal (vote)
Assignee:	Qt Bug Alias

URL:
Whiteboard:
Keywords:

Depends on:
Blocks:

Reported:	2021-11-24 20:45 UTC by Alex Barker
Modified:	2021-11-24 20:49 UTC (History)
CC List:	1 user (show)

See Also:
Package list:
Runtime testing required:	---

Attachments
emerge --info (emerge.info,5.93 KB, text/plain) 2021-11-24 20:46 UTC, Alex Barker	Details
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Description Alex Barker 2021-11-24 20:45:59 UTC

When compiling with -march=native -Os -fomit-frame-pointer -pipe produces a segfault in libQt5Qml.so.5.15.2.  Using -O2 fixes the problem.

Reproducible: Always

Steps to Reproduce:
1. build with -Os
2. start plamsa workspace

Actual Results:  
dmesg produces segfault, plasma wont load.

Comment 1 Alex Barker 2021-11-24 20:46:43 UTC

Created attachment 756118 [details]
emerge --info

Comment 2 Sam James archtester

2021-11-24 20:48:52 UTC

Please include a backtrace (see https://wiki.gentoo.org/wiki/Debugging) but this probably needs to go upstream.