http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53379
--- Comment #4 from Janne Blomqvist <jb at gcc dot gnu.org> 2012-05-18 14:32:54 UTC --- (In reply to comment #3) > (In reply to comment #2) > > AFAICS, this is an intentional change in behavior. When I proposed making > > backtracing enabled by default, there was some objections to the initial > > patch > > on the grounds that the backtracing was too aggressive. > > I wonder whether one should add a more aggressive version of backtrace (which > could be internally pass backtrace == 2), which covers this case. Ditto for > some environment flag. Well yes, but IMHO the best option would be to do the right thing by default, making an option unnecessary. If anything, a bewildering array of options is an usability issue. For instance... > I have to admit that the description of > http://gcc.gnu.org/onlinedocs/gfortran/GFORTRAN_005fERROR_005fBACKTRACE.html > is > misleading. And the meaning and relation of it to > http://gcc.gnu.org/onlinedocs/gfortran/GFORTRAN_005fSHOW_005fLOCUS.html is > also > unclear. one wonders what is the purpose of GFORTRAN_SHOW_LOCUS. What value do we provide by providing a means to NOT print out the filename/line information? I think the answer is "none" and thus we should get rid of it, simplifying the code and manual a tidy bit.