eval.c, vm.c, vm_eval.c, vm_insnhelper.c: fix issues about
return and c-return trace. This issue skips (c-)return event
with global jump such as break or return. This fix make vm invoke
hooks at stack rewind timing. fix [ruby-core:27606] [Bug #2610].
test/ruby/test_settracefunc.rb: add a test for above.
return and c-return trace. This issue skips (c-)return event
with global jump such as break or return. This fix make vm invoke
hooks at stack rewind timing. fix [ruby-core:27606] [Bug #2610].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26395 b2dd03c8-39d4-4d8f-98ff-823fe69b080e