(11/10/25 3:38), Intransition wrote: > > > On Oct 24, 1:15 pm, SASADA Koichi <k... / atdot.net> wrote: >> (2011/10/23 8:41), Intransition wrote: >>> Did something change about `set_trace_func` between 1.8.7 and 1.9.3? >> >>> One of my programs quite working. Here is the basic spec: >> >>> https://github.com/rubyworks/tracepoint/blob/master/spec/trace.rdoc >> >>> This works fine in 1.8.7 but not in 1.9.3. >> >>> I'm wondering if I should file a bug report. >> >> From 1.9, we skip method invocation on Fixnum#+. > > It appears to be more than that. I traced the issue to the binding > (`b` below). > > $ cat t.rb > fn = lambda do |e, f, l, m, b, k| > p Kernel.eval('self', b) > end > set_trace_func(fn) > " a ".strip > > $ rbenv shell 1.8.7-p352 > $ ruby t.rb > main > " a " > " a " > > $ rbenv shell 1.9.3-rc1 > $ ruby t.rb > main > main > main > main It seems a bug (binding doesn't work correctly). Maybe, we don't check binding for c-methods (methods implemented by C).