The "known bugs" section of the GCC info documentation lists 5 issues; "man gcc" lists none. Can someone provide a test case for a bug involving "cc -O" versus "cc -O3" under FreeBSD 4-STABLE for the x86 architecture?
What is the preferred solution? The Dragon book and other compiler references have a definition of safe versus unsafe "optimizations"; is the problem that -O3 enables something unsafe? Who is responsible (FreeBSD, GNU compiler team, others?) for changing the compiler defaults so that -Ox will not produce known-invalid results, for any x?
-- -Chuck
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