> "-Wstrict-aliasing > This option is only active when -fstrict-aliasing is active. It > warns about code which might > break the strict aliasing rules that the compiler is using for > optimization. The warning does > not catch all cases, but does attempt to catch the more common > pitfalls. It is included in -Wall. > It is equivalent to -Wstrict-aliasing=3 " > > and -O2 would active -fstrict-aliasing by default, which should also > active this options.
No, the text above means that "-fstrict-aliasing" is a *necessary* condition to get aliasing warnings, not a sufficient condition. Do you have suggestions for how to clarify the text? Paolo
