review: cmp.Or for zero-value fallbacks - #12
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The asl cmpor analyzer rewrites the if/return and if/assign zero-value fallbacks into cmp.Or where the fallback is call-free.
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Why
First gate run of the new asl analyzers:
cmporrewritesif x != zero { return x }; return yandif x == zero { x = y }intocmp.Or(x, y)where the fallback is call-free (cmp.Or evaluates every argument).What
1 cmp.Or rewrites, applied by
asl -fixandgoimports; no behaviour change.Evidence
make fmt-checkclean;make lint0 issues on linux and darwin;aslclean on both GOOS;go test -race -count=1 ./...with no FAIL lines (log kept locally).