Bug 188631 – Internal compiler error

Bug 188631 - Internal compiler error

Summary:	Internal compiler error

Status:	CLOSED UPSTREAM

Aliases:	None

Product:	Fedora
Classification:	Fedora
Component:	gcc (Show other bugs)
Sub Component:
Version:	5
Hardware:	x86_64 Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Jakub Jelinek
QA Contact:
Docs Contact:

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Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2006-04-11 17:47 EDT by Philippe Rigault
Modified:	2007-11-30 17:11 EST (History)
CC List:	0 users

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Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
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Environment:
Last Closed:	2006-04-12 05:41:03 EDT
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Attachments	(Terms of Use)
Preprocessed source giving ICE (1.17 MB, text/plain) 2006-04-11 17:47 EDT, Philippe Rigault	no flags	Details
Add an attachment (proposed patch, testcase, etc.)

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Description Philippe Rigault 2006-04-11 17:47:30 EDT

Description of problem:
An internal compiler error occurs during compilation of the NCBI C++ toolkit.

Version-Release number of selected component (if applicable):
gcc-4.1.0-3

How reproducible: Always


Steps to Reproduce:
1. Download NCBI C++ toolkit
ftp://ftp.ncbi.nih.gov/toolbox/ncbi_tools++/CURRENT/ncbi_cxx--Dec_31_2005.gtar.gz
2. configure
3. make
  
Actual results:
<snip>
/usr/bin/g++  -c -Wall -Wno-format-y2k -m64 -pthread -O2 -march=opteron -fPIC   -DNDEBUG -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -D_MT -D_REENTRANT -D_THREAD_SAFE -I/opt/build/ncbi/ncbi_cxx--Dec_31_2005/GCC410-ReleaseMTDLL64--x86_64-unknown-linux-gnu/inc -I/opt/build/ncbi/ncbi_cxx--Dec_31_2005/include  -I/usr/include/freetype2 -O2 -g -
pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic /opt/build/ncbi/ncbi_cxx--Dec_31_2005/src/gui/utils/rgba_color.cpp -o 
rgba_color.o
/opt/build/ncbi/ncbi_cxx--Dec_31_2005/src/gui/utils/rgba_color.cpp: In static 
member function âstatic float ncbi::CRgbaColor::Brightness(const 
ncbi::CRgbaColor&)â:                                                                               /opt/build/ncbi/ncbi_cxx--Dec_31_2005/src/gui/utils/rgba_color.cpp:1443: 
internal compiler error: in get_expr_operands, at tree-ssa-operands.c:1338                                                                                               
Please submit a full bug report,                                                                                         
with preprocessed source if appropriate.                                                                                 
See <URL:http://bugzilla.redhat.com/bugzilla> for instructions.                                                          
Preprocessed source stored into /tmp/ccta3D6I.out file, please attach this to 
your bugreport.

Expected results:
Compilation completes

Additional info:
Preprocessed source attached.
Let me know if you need more info.
Cheers.

Comment 1 Philippe Rigault 2006-04-11 17:47:30 EDT

Created attachment 127634 [details]
Preprocessed source giving ICE

Comment 2 Jakub Jelinek 2006-04-12 05:41:03 EDT

The testcase is invalid, most probably just triggers undefined behavior
(but already at static initialization time, so the compiler might format
your disk or anything else when you start the program) or perhaps is just
invalid:
static const float Yr = 0.299f;
static const float Yb = 0.114f;
static const float Yg = 1 - Yr - Yg;
The last line was probably meant to be:
static const float Yg = 1 - Yr - Yb;
As such, this is low priority ICE and we are going to track it upstream.

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