> Can anybody tell me what the gcc flag "-fno-strict-aliasing" does?
> It's used by default on kernel builts but not documented in the gcc man
page.
> I'm curious how many other flags exist that also aren't documented, or if
there
> is some place these are actually documented?
It switches off Mark Mitchel's aliasing code in gcc.
This is required because the Linux kernel sources
violate the ANSI-C aliasing rules.
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