>Submitter-Id: net
>Originator: Roger Leigh
>Organization: Debian Project
>Confidential: no
>Synopsis: Using "typedef typename std::iterator difference_type" causes a
>segfault.
>Severity: non-critical
>Priority: low
>Category: c++
>Class: ice-on-illegal-code
>Release: 3.3.3 20031229 (prerelease) (Debian) (Debian testing/unstable)
>Environment:
System: Linux wrynose 2.6.1 #3 Tue Jan 20 23:27:03 GMT 2004 i686 GNU/Linux
Architecture: i686
host: i486-pc-linux-gnu
build: i486-pc-linux-gnu
target: i486-pc-linux-gnu
configured with: ../src/configure -v
--enable-languages=c,c++,java,f77,pascal,objc,ada,treelang --prefix=/usr
--mandir=/usr/share/man --infodir=/usr/share/info
--with-gxx-include-dir=/usr/include/c++/3.3 --enable-shared --with-system-zlib
--enable-nls --without-included-gettext --enable-__cxa_atexit
--enable-clocale=gnu --enable-debug --enable-java-gc=boehm
--enable-java-awt=xlib --enable-objc-gc i486-linux
>Description:
$ g++ -o test test.cc
test.cc:24: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
>How-To-Repeat:
1 #include <iterator>
2
3 template<typename T>
4 class myclass
5 {
6 private:
7 T m_value;
8 public:
9 myclass(T& value): m_value(value) {}
10
11 class myiter : public std::iterator<std::random_access_iterator_tag,
T, std::size_t>
12 {
13 public:
14 typedef std::size_t size_type;
15 typedef typename std::iterator difference_type;
16
17 private:
18 size_type m_pos;
19
20 myiter(size_type pos): m_pos(pos) {}
21
22 public:
23 myiter operator + (difference_type incr)
24 {
25 size_type pos = m_pos;
26 if (pos + incr < m_result->size())
27 pos += incr;
28 else
29 pos = m_result->size();
30 return myiter(*m_result, pos);
31 }
32 };
33 };
34
35 int main()
36 {
37 myclass<int> i;
38 return 0;
39 }
>Fix:
None, sorry.
