http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45831
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |manu at gcc dot gnu.org
--- Comment #7 from Manuel López-Ibáñez <manu at gcc dot gnu.org> 2010-09-29
15:25:11 UTC ---
Andrew, I really admire your patience explaining the details, but I think we
should just point people to good references from the start
http://c-faq.com/ansi/undef.html
I think that provides far more info that we can give here, save us time, and
avoids the frustration of users having to ask for more and more details until
they understand the issue.
And we warn by default.
warning: left shift count is negative
I think the warning should mention "undefined"
warning: negative left shift count is undefined
