cmd/go: don't write own toolchain line when updating go line

net: deflake recently added TestCloseUnblocksReadUDP

cmd/internal/dwarf: fix bug in inlined func DIE range DWARF 5 info

log/slog: optimize appendKey to reduce allocations

cmd/compile/internal/ssagen: use an alias for math/bits.Len

math/big: update calibration tests and recalibrate

runtime: remove nextSampleNoFP from plan9

cmd/compile: remove noDuffDevice

cmd/compile: compute bitsize from type size in prove to clean some sw…

runtime: increase GDB version testing requirement to 10 from 7.7

internal/buildcfg: fix typo in DWARF 5 enabling code

cmd/compile: set bits.OnesCount's limits to [0, 64]

cmd/compile: use min & max builtins to assert constant bounds in prov…

cmd/compile: compute min's & max's limits from argument's limits insi…

internal/cpu: use correct variable when parsing CPU features lamcas a…

cmd/internal/script/scripttest: use GOHOSTARCH to find tool directory

internal/bytealg: optimize Count{,String} in loong64

internal/buildcfg: enable DWARF version 5 by default

cmp: add examples for Compare and Less

archive/zip: error on ReadDir if there are invalid file names

net/http: document Redirect behavior for non-ASCII characters

all: move //go:debug decoratemappings=0 test to cmd/go

os: add more File.WriteAt tests

cmd/internal/obj/loong64: add {V,XV}MUL{B/H/W/V} and {V,XV}MUH{B/H/W/…

cmd/compile: Enable inlining of tail calls

cmd/compile, runtime: remove plan9 special case avoiding SSE

cmd/compile: add constant folding for PopCount

log/slog: use consistent call depth for all output

net/mail: use sync.OnceValue to build dateLayouts

runtime/internal: clean up completely