I am looking at this now. I will let you know what I find. Greg
> On Feb 6, 2017, at 10:00 AM, Roman Popov <ripo...@gmail.com> wrote: > > Yes, that was my thought. > > FYI, checked in GDB: it's working correctly on this testcase showing correct > dynamic type in both cases. > > 2017-02-06 9:48 GMT-08:00 Greg Clayton <gclay...@apple.com > <mailto:gclay...@apple.com>>: > You have found a bug. It should be reporting this correctly but it isn’t. I > verified it fails on MacOSX. > > Greg Clayton > >> On Feb 5, 2017, at 1:19 PM, Roman Popov via lldb-dev >> <lldb-dev@lists.llvm.org <mailto:lldb-dev@lists.llvm.org>> wrote: >> >> Hello, >> I'm observing very strange LLDB behavior: it does not always shows a correct >> dynamic type when I ask for. >> >> Originally I was working with LLDB 3.9, but it looks like trunk version >> behaves the same strange way. >> >> I was able to capture this behavior in a small code snippet: >> >> #include <iostream> >> #include <typeinfo> >> >> using namespace std; >> >> struct base_type { virtual ~base_type(){} }; >> >> template <class T1, class T2, unsigned SIZE> >> struct derived0 : base_type {}; >> >> template <class T1, class T2> >> struct derived1 : base_type {}; >> >> int main(int argc, char ** argv) { >> >> base_type * bptr0 = new derived0<int, int, 1024>(); >> base_type * bptr1 = new derived1<int, int >(); >> >> cout << typeid(*bptr0).name() << endl; >> cout << typeid(*bptr1).name() << endl; >> >> return 0; >> } >> >> >> lldb --version >> lldb version 5.0.0 (http://llvm.org/svn/llvm-project/lldb/trunk >> <http://llvm.org/svn/llvm-project/lldb/trunk> revision 293398) >> clang revision 293398 >> llvm revision 293398 >> >> >> Testing in LLDB: >> (lldb) break set --file main.cpp --line 22 >> >> (lldb) expression -d no-run -- bptr1 >> (derived1<int, int> *) $2 = 0x0000000000614c40 >> >> (lldb) expression -d no-run -- bptr0 >> (base_type *) $3 = 0x0000000000614c20 >> >> >> Can someone explain me why for bptr0 I dont get a derived0<int, int, 1024> >> * as I expected? >> >> >> Thanks, >> Roman >> _______________________________________________ >> lldb-dev mailing list >> lldb-dev@lists.llvm.org <mailto:lldb-dev@lists.llvm.org> >> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev >> <http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev> > >
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