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`make genome` cannot complete: the second bootstrap stage runs the lifetime
checker over the compiler's own source, which reports 8 errors, and mkgenome
then reads the diagnostics as an image.
the two limits are that an owned value held in a local has no move into another
local — every accepted move originates at a call, so the free-then-replace rule
only applies when the replacement comes from a call result — and that a local
cannot be lent to a global, so redirecting the output stream at a scratch buffer
needs a module-level variable.
neither limit accepts an unsafe program; both refuse correct ones, so this is a
completeness gap rather than a soundness failure. document the affected code, the
diagnostics, what was tried and how each attempt failed, and a proposal.
add src/tools/bootstrap-check.sh, which rebuilds both bootstrap stages and prints
the compiler's diagnostics on its own source instead of the word dump.
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Moon Flower
