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Matthew Dempsky 106aa941df [dev.typeparams] cmd/compile: refactor DWARF scope marking
This CL extracts and simplifies noder's DWARF scope tracking code to
make it easier for reuse by irgen.

The previous code tried to be really clever about avoid recording
multiple scope boundaries at the same position (as happens at the end
of "if" and "for" statements). I had a really hard time remember how
this code worked exactly, so I've reimplemented a simpler algorithm
that just tracks all scope marks, and then compacts them at the end
before saving them to the ir.Func.

Passes toolstash -cmp.

Change-Id: Ibeb37997b77dc5179360d7db557c82ae1682e127
Reviewed-on: https://go-review.googlesource.com/c/go/+/282918
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: Robert Griesemer <gri@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
2021-01-12 02:16:30 +00:00
.github
api api/go1.16: remove crypto/tls APIs that are moved to Go 1.17 2020-12-17 20:25:45 +00:00
doc doc: fix a typo in contribute.html 2020-12-23 17:01:35 +00:00
lib/time lib/time, time/tzdata: update tzdata to 2020e 2020-12-23 17:29:16 +00:00
misc
src [dev.typeparams] cmd/compile: refactor DWARF scope marking 2021-01-12 02:16:30 +00:00
test [dev.typeparams] all: merge dev.regabi (cb05a0a) into dev.typeparams 2021-01-07 11:37:49 -08:00
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codereview.cfg [dev.typeparams] codereview.cfg: add config for dev.typeparams 2020-12-22 21:02:20 +00:00
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