[Bug 910363]
Jamborm
910363 at bugs.launchpad.net
Mon Jan 9 20:03:15 UTC 2012
Author: jamborm
Date: Mon Jan 9 20:03:08 2012
New Revision: 183031
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183031
Log:
2012-01-09 Martin Jambor <mjambor at suse.cz>
PR tree-optimization/51759
* g++.dg/ipa/pr51759.C: New test.
Added:
branches/gcc-4_6-branch/gcc/testsuite/g++.dg/ipa/pr51759.C
Modified:
branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
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https://bugs.launchpad.net/bugs/910363
Title:
miscompile writing to bitfield at -Os
Status in The GNU Compiler Collection:
Invalid
Status in “gcc-4.5” package in Ubuntu:
New
Bug description:
The attached preprocessed file was extracted out of a file from LLVM. When it was compiled by g++-4.5 at -Os, and LLVM's test suite was run, it resulted in the assert in PointerType's constructor firing:
llvm::PointerType::PointerType(llvm::Type*, unsigned int): Assertion `oldNCT == NumContainedTys && "bitfield written out of bounds?"' failed.
This was the invocation I used:
g++-4.5 -Os -fPIC -g -pedantic -Wno-long-long -fno-exceptions -o lib/VMCore/CMakeFiles/LLVMCore.dir/Type2.cpp.o -c Type2.ii
Further details here:
http://llvm.org/PR11652
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: g++-4.5 4.5.2-8ubuntu4
Uname: Linux 3.1.0-custom x86_64
Architecture: amd64
Date: Tue Dec 27 22:11:40 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcEnviron:
LANGUAGE=en_US:en
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gcc-4.5
UpgradeStatus: No upgrade log present (probably fresh install)
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