Bug 827194

Summary:	dev-qt/qtdeclarative-5.15.2-r12: Segfault with -Os
Product:	Gentoo Linux	Reporter:	Alex Barker <alex>
Component:	Current packages	Assignee:	Qt Bug Alias <qt>
Status:	RESOLVED NEEDINFO
Severity:	normal	CC:	sam
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---
Attachments:	emerge --info

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.