D.gnu - [Issue 1554] New: Segfault in generated code.
- d-bugmail puremagic.com (39/39) Oct 07 2007 http://d.puremagic.com/issues/show_bug.cgi?id=1554
- d-bugmail puremagic.com (6/6) Oct 07 2007 http://d.puremagic.com/issues/show_bug.cgi?id=1554
- d-bugmail puremagic.com (9/9) Oct 13 2007 http://d.puremagic.com/issues/show_bug.cgi?id=1554
http://d.puremagic.com/issues/show_bug.cgi?id=1554
Summary: Segfault in generated code.
Product: DGCC aka GDC
Version: 0.24
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: glue layer
AssignedTo: dvdfrdmn users.sf.net
ReportedBy: dlang davidb.org
The attached example code exhibits a segfault on x86 when compiled with
"-O3 --fomit-frame-pointer". This is the binary gdc downloaded from the
web.
% gdc --version
gdc (GCC) 4.1.2 20070214 ( (gdc 0.24, using dmd 1.020))
...
% gdc -o bug -O3 bug.d
% ./bug
10,240kB
% gdc -o bug -O3 -fomit-frame-pointer bug.d
% ./bug
Segmentation fault
% gdc -g -o bug -O3 -fomit-frame-pointer bug.d
% gdb ./bug
(gdb) run
Starting program: /home/davidb/wd/adump/2.1/bug/bug
warning: Lowest section in system-supplied DSO at 0xffffe000 is .hash at
ffffe0b4
[Thread debugging using libthread_db enabled]
[New Thread -136127808 (LWP 14962)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -136127808 (LWP 14962)]
_D3bug10formatSizeFlZAa (size=578398486928556032) at bug.d:9
9 foreach (ind, ch; text.reverse) {
Current language: auto; currently minimal
The example works fine on x86_64.
--
Oct 07 2007
d-bugmail puremagic.com http://d.puremagic.com/issues/show_bug.cgi?id=1554 Created an attachment (id=189) --> (http://d.puremagic.com/issues/attachment.cgi?id=189&action=view) Demonstration of compilation bug. --
Oct 07 2007
http://d.puremagic.com/issues/show_bug.cgi?id=1554
dvdfrdmn users.sf.net changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
Fixed in svn 181 / release 0.25.
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Oct 13 2007