[LLVMbugs] [Bug 10680] New: Dragonegg miscompiles dlls/oleaut32/tests/typelib.c from Wine
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Tue Aug 16 18:44:53 PDT 2011
http://llvm.org/bugs/show_bug.cgi?id=10680
Summary: Dragonegg miscompiles dlls/oleaut32/tests/typelib.c
from Wine
Product: dragonegg
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Keywords: miscompilation
Severity: normal
Priority: P
Component: New Bugs
AssignedTo: baldrick at free.fr
ReportedBy: austinenglish at gmail.com
CC: llvmbugs at cs.uiuc.edu
Created an attachment (id=7081)
--> (http://llvm.org/bugs/attachment.cgi?id=7081)
preprocessed gcc and dragonegg files
Dragonegg can compile wine successfully, aside from
http://bugs.winehq.org/show_bug.cgi?id=28050. Running its test suite, however,
shows a few problems. This is the third one (8 potential).
To reproduce, compile wine with:
$ CC=llvm-gcc ./configure
$ make
then run the test:
$ cd dlls/oleaut32/tests
$ make typelib.ok
this will fail:
austin at debian:~/wine-llvmgcc/dlls/oleaut32/tests$ make typelib.ok
typelib.c:753: Test failed: wrong arg2.Hi32 d10
typelib.c:754: Test failed: wrong arg2.Lo64 5555000000000000
typelib.c:755: Test failed: wrong arg3 type 5555
typelib.c:756: Test failed: wrong arg3 value 55555555
typelib.c:873: Test failed: DispCallFunc failed 80020010
compiling that file with gcc-4.5 with gcc, or using -O0 instead works around
the issue. I'll attach preprocessed source files from draognegg and gcc
(versions below). If more info is needed, please don't hesitate to ask.
austin at debian:~/wine-dragoneggsvn/dlls/kernel32/tests$ svn info
~/src/dragonegg/
Path: /home/austin/src/dragonegg
URL: http://llvm.org/svn/llvm-project/dragonegg/trunk
Repository Root: http://llvm.org/svn/llvm-project
Repository UUID: 91177308-0d34-0410-b5e6-96231b3b80d8
Revision: 137784
Node Kind: directory
Schedule: normal
Last Changed Author: baldrick
Last Changed Rev: 137718
Last Changed Date: 2011-08-16 07:08:18 -0700 (Tue, 16 Aug 2011)
austin at debian:~/wine-dragoneggsvn/dlls/kernel32/tests$ gcc-4.5 --version
gcc-4.5 (Debian 4.5.3-5) 4.5.3
Copyright (C) 2010 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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