<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">I am looking at this now. I will let you know what I find.<div class=""><br class=""></div><div class="">Greg</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Feb 6, 2017, at 10:00 AM, Roman Popov <<a href="mailto:ripopov@gmail.com" class="">ripopov@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Yes, that was my thought. <div class=""><br class=""><div class="">FYI, checked in GDB: it's working correctly on this testcase showing correct dynamic type in both cases.<div class="gmail_extra"><br class=""><div class="gmail_quote">2017-02-06 9:48 GMT-08:00 Greg Clayton <span dir="ltr" class=""><<a href="mailto:gclayton@apple.com" target="_blank" class="">gclayton@apple.com</a>></span>:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="">You have found a bug. It should be reporting this correctly but it isn’t. I verified it fails on MacOSX.<div class=""><br class=""></div><div class="">Greg Clayton</div><div class=""><br class=""><div class=""><blockquote type="cite" class=""><div class=""><div class="h5"><div class="">On Feb 5, 2017, at 1:19 PM, Roman Popov via lldb-dev <<a href="mailto:lldb-dev@lists.llvm.org" target="_blank" class="">lldb-dev@lists.llvm.org</a>> wrote:</div><br class="m_-2367537013708510783Apple-interchange-newline"></div></div><div class=""><div class=""><div class="h5"><div dir="ltr" class=""><div class="">Hello,</div><div class="">I'm observing very strange LLDB behavior: it does not always shows a correct dynamic type when I ask for.</div><div class=""><br class=""></div><div class="">Originally I was working with LLDB 3.9, but it looks like trunk version behaves the same strange way. </div><div class=""><br class=""></div><div class="">I was able to capture this behavior in a small code snippet: <br class=""></div><div class=""><br class=""></div><div class=""><font face="monospace, monospace" class="">#include <iostream></font></div><div class=""><font face="monospace, monospace" class="">#include <typeinfo></font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class="">using namespace std;</font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class="">struct base_type { virtual ~base_type(){} };</font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class="">template <class T1, class T2, unsigned SIZE></font></div><div class=""><font face="monospace, monospace" class="">struct derived0 : base_type {};</font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class="">template <class T1, class T2></font></div><div class=""><font face="monospace, monospace" class="">struct derived1 : base_type {};</font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class="">int main(int argc, char ** argv) {</font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class=""> base_type * bptr0 = new derived0<int, int, 1024>();</font></div><div class=""><font face="monospace, monospace" class=""> base_type * bptr1 = new derived1<int, int >();</font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class=""> cout << typeid(*bptr0).name() << endl;</font></div><div class=""><font face="monospace, monospace" class=""> cout << typeid(*bptr1).name() << endl;</font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class=""> return 0;</font></div><div class=""><font face="monospace, monospace" class="">}</font></div><div class=""><br class=""></div><div class=""><div class=""><br class=""></div><div class="">lldb --version</div><div class="">lldb version 5.0.0 (<a href="http://llvm.org/svn/llvm-project/lldb/trunk" target="_blank" class="">http://llvm.org/svn/llvm-<wbr class="">project/lldb/trunk</a> revision 293398)</div><div class=""> clang revision 293398</div><div class=""> llvm revision 293398</div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Testing in LLDB:</div><div class="">(lldb) break set --file main.cpp --line 22</div><div class=""><br class=""></div><div class="">(lldb) expression -d no-run -- bptr1</div><div class="">(derived1<int, int> *) $2 = 0x0000000000614c40</div><div class=""><br class=""></div><div class="">(lldb) expression -d no-run -- bptr0</div><div class=""><b class="">(base_type *) $3 = 0x0000000000614c20</b></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Can someone explain me why for bptr0 I dont get a <span style="font-family:monospace,monospace" class="">derived0<int, int, 1024> * as I expected?</span></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Thanks,</div><div class="">Roman</div></div></div></div>
______________________________<wbr class="">_________________<br class="">lldb-dev mailing list<br class=""><a href="mailto:lldb-dev@lists.llvm.org" target="_blank" class="">lldb-dev@lists.llvm.org</a><br class=""><a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev" target="_blank" class="">http://lists.llvm.org/cgi-bin/<wbr class="">mailman/listinfo/lldb-dev</a><br class=""></div></blockquote></div><br class=""></div></div></blockquote></div><br class=""></div></div></div></div>
</div></blockquote></div><br class=""></div></body></html>