577032 – =dev-libs/dmalloc-5.5.2-r6 SIGSEGV with optimizations > -O0

Bug 577032 - =dev-libs/dmalloc-5.5.2-r6 SIGSEGV with optimizations > -O0

Summary: =dev-libs/dmalloc-5.5.2-r6 SIGSEGV with optimizations > -O0

Status:	UNCONFIRMED

Alias:	None

Product:	Gentoo Linux
Classification:	Unclassified
Component:	Current packages (show other bugs)
Hardware:	x86 Linux

Importance:	Normal normal (vote)
Assignee:	Jeroen Roovers

URL:
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Keywords:

Depends on:
Blocks:

Reported:	2016-03-11 04:53 UTC by Robert Gill
Modified:	2020-04-23 14:39 UTC (History)
CC List:	0 users

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

Attachments
gdb backtrace (gdb.log,1.29 KB, text/x-log) 2016-03-11 04:53 UTC, Robert Gill	Details
emerge --info (emergeinfo.txt,4.99 KB, text/plain) 2016-03-11 06:34 UTC, Robert Gill	Details
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Description Robert Gill 2016-03-11 04:53:20 UTC

Created attachment 427944 [details]
gdb backtrace

dmalloc crashes on x86 when gcc optimizations are greater than -O0 due to a variable being optimized away. This doesn't seem to happen on amd64. I'm attaching a gdb log that includes the backtrace and demonstrates the missing variable.

Comment 1 Robert Gill 2016-03-11 06:34:25 UTC

Created attachment 427948 [details]
emerge --info