runtime,cl,build: stage5 cleanup — explicit FP pairing flag and tidy-ups#2022

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cpunion wants to merge 58 commits into

xgo-dev:mainfrom

cpunion:codex/stage5-cleanup

Commits on Jul 1, 2026

Commits on Jul 2, 2026

runtime: use static funcinfo symbol index
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benchmark: add runtime funcinfo benchmark harness

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build,cl: emit funcinfo site sections on Mach-O

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runtime: cut funcinfo first-use latency and index degradation

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runtime: memoize synthetic PCs in Caller/Callers hot paths

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runtime: reuse FuncForPC cache in Frames.Next; document LTO inline-copy limit

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build: document why body-embedded site records resist LTO dedup

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doc: design for link-phase ftab/findfunctab generation

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runtime: nanosecond monotonic clock on darwin and linux

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build: disable funcinfo metadata emission in debug builds

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build,ssa,cl: gate only site records off in debug builds

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runtime: keep unresolved-entry frames out of the FuncForPC cache

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build: add LLGO_FUNCINFO_SITES to toggle site records independently

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Commits on Jul 3, 2026