[Bug debug/49951] [4.5/4.6/4.7 Regression] Debug stepping behavior regarding g++ Class destructor has changed for the worse starting at gcc 4.5.0

[manu at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49951

--- Comment #9 from Manuel López-Ibáñez <manu at gcc dot gnu.org> 2011-12-03 
19:03:54 UTC ---
(In reply to comment #8)
> A candidate analysis and patch has been posted to
> http://gcc.gnu.org/ml/gcc-patches/2011-12/msg00250.html for comments.

What I don't understand is how, according to your analysis, this worked before
revision 149722 and how that patch could possibly change the behavior.