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Keith Randall bf2a6d1957 cmd/compile: ensure write barrier branches get marked uninterruptible
The branch itself can't be marked, so we ensure we mark the last
ssa.Value in the block as uninterruptible, because that's where the
branch ends up getting its uninterruptibility from.

This is somewhat conservative, as we're marking an instruction as
uninterruptible that doesn't need to be. But it is an easy fix.

TODO: figure out a test

Change-Id: Icd314f0bbdce8f80019bafb9e861baca4e7ecbb1
Reviewed-on: https://go-review.googlesource.com/c/go/+/518055
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
2023-08-10 21:54:31 +00:00
.github .github: fix templates with multiple labels 2023-07-31 18:28:27 +00:00
api slices: add Concat 2023-08-08 14:31:39 +00:00
doc crypto/tls: add GODEBUG to control max RSA key size 2023-08-10 20:33:01 +00:00
lib/time lib/time: update to 2023c/2023c 2023-05-03 20:14:11 +00:00
misc misc/wasm: switch default WASI runtime 2023-07-26 14:30:35 +00:00
src cmd/compile: ensure write barrier branches get marked uninterruptible 2023-08-10 21:54:31 +00:00
test cmd/compile: make backingArrayPtrLen to return typecheck-ed nodes 2023-08-09 19:30:45 +00:00
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go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00
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The Go Programming Language

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