https://llvm.org/bugs/show_bug.cgi?id=30831
Bug ID: 30831
Summary: Parser segmentation fault
Product: clang
Version: 3.9
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: jj.oconno...@gmail.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 17508
--> https://llvm.org/bugs/attachment.cgi?id=17508&action=edit
contains test.cpp, the stack traces from 3.8 and 3.9, the above text, and the
/tmp files those stacks told me to include with a bug report
I wrote some nonsense code by accident and segfaulted the parser. It's short
enough to fit in here (it's only 8 lines):
__________________________
template <typename T>
class A {
public:
static A<T> const a;
};
template <typename T>
A<T> A<T>::a = A<T>();
__________________________
The parser says it was on the token '=' when it died.
The compiler (specifically the parse step) crashes with this invocation:
$ clang++ test.cpp
Also:
$ clang++-3.9 test.cpp
Here's some OS and version information:
$ clang++ --version
clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
$ clang++-3.9 --version
clang version 3.9.0-svn275918-1~exp1 (branches/release_39)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
$ cat /etc/*release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.1 LTS"
NAME="Ubuntu"
VERSION="16.04.1 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.1 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/";
SUPPORT_URL="http://help.ubuntu.com/";
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/";
UBUNTU_CODENAME=xenial
$ uname -a
Linux refraction 4.4.0-34-generic #53-Ubuntu SMP Wed Jul 27 16:06:39 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
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