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Keith Randall 5f5c018ca4 cmd/compile: redo mknode.go
The current mknode has a few problems:
1) It tends not to run successfully if the tree is in a broken state.
2) It requires that it be run by the go tool in the tree (somewhat related to 1)
3) It requires setting GOROOT
4) It imports code outside the tree (x/packages)

This makes mknode.go very fragile. In particular, I've spent lots of
time fighting mknode when adding or removing code, related to 1.

Rewrite to just use go/ast and friends. No typechecking, no importing,
etc. It can run with any go version, it doesn't need to be the one
corresponding to the code in which it is run. (e.g. you can use go
1.16 to run mknode). It will work as long as the ir package is parseable.

When run, it generates identical output to the old mknode.

Fixes #53959

Change-Id: I5ce0b55572ebcd2fcd11af57a5f29bbf9fa4ed33
Reviewed-on: https://go-review.googlesource.com/c/go/+/418375
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2022-08-31 22:09:44 +00:00
.github .github/ISSUE_TEMPLATE: add issue template for Go vulnerability management 2022-08-19 16:55:03 +00:00
api cmd/cgo: add and use runtime/cgo.Incomplete instead of //go:notinheap 2022-08-28 16:04:49 +00:00
doc doc/go1.20: populate initial TODOs via relnote 2022-08-24 18:36:56 +00:00
lib/time lib/time, time/tzdata: update to 2022b 2022-08-11 20:03:19 +00:00
misc runtime: add address sanitizer support for ppc64le 2022-08-26 18:13:33 +00:00
src cmd/compile: redo mknode.go 2022-08-31 22:09:44 +00:00
test cmd/compile: use better splitting condition for string binary search 2022-08-31 22:08:26 +00:00
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