HJ has just identified the commit that caused the problem - I should have waited a few more minutes before sending my RFH :-)
Thanks, HJ On 18 September 2010 14:31, Jonathan Wakely <jwakely....@gmail.com> wrote: > Could someone more familiar with dwarf2out.c take a look at PR 44645? > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44645 > > It is a fairly problematic regression in C++ debug info, which causes > errors in the python pretty printers for libstdc++ associative > contaienrs (map, set etc.) and has several duplicate PRs now. > > As Tom Tromey originally identified, the DIE for some pointer types is > missing DW_AT_type, which makes GDB think it's dealing with a void* > not the actual pointer type, and that prevents dereferencing pointers > while debugging. > > I've tried to find a problem in dwarf2out.c on the 4.5 branch and > compared it with the versions on the 4.4 branch and trunk (which don't > have the bug) but I'm stumped. > > Any pointers or help would be much appreciated. > > Jonathan >
