On Thu, Jan 20, 2005 at 04:44:59PM -0500, Mike Jakubik wrote: > Paul Mather said: > > > On Thu, 2005-01-20 at 19:17 +0000, Chris wrote: > >> what does -fno-strict-alias do? I cannot find it in man gcc > > > > It is a truncation of "-fno-strict-aliasing". The flag does not appear > > to be described in the gcc man page, but is documented in the gcc info > > page (search for "-fstrict-aliasing"). To quote the info page, > > -fstrict-aliasing "allows the compiler to assume the strictest aliasing > > rules applicable to the language being compiled. ..." > > Wouldn't we want strict aliasing then?
It's desirable, but a lot of ports contain bugs that are exposed by this option (the base system used to as well, but these are believed to all be fixed). Kris
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