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Matthew Dempsky 00715d089d cmd/compile/internal/walk: copy SSA-able variables
order.go ensures expressions that are passed to the runtime by address
are in fact addressable. However, in the case of local variables, if the
variable hasn't already been marked as addrtaken, then taking its
address here will effectively prevent the variable from being converted
to SSA form.

Instead, it's better to just copy the variable into a new temporary,
which we can pass by address instead. This ensures the original variable
can still be converted to SSA form.

Fixes #63332.

Change-Id: I182376d98d419df8bf07c400d84c344c9b82c0fb
Reviewed-on: https://go-review.googlesource.com/c/go/+/541715
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
2023-11-21 20:34:12 +00:00
.github .github: issue template for telemetry proposals 2023-09-14 21:29:10 +00:00
api Revert "math/rand/v2: add ChaCha8" 2023-11-20 18:39:03 +00:00
doc crypto/tls: disable ExportKeyingMaterial without EMS 2023-11-21 16:29:49 +00:00
lib/time lib/time: update to 2023c/2023c 2023-05-03 20:14:11 +00:00
misc misc/wasm: support new wasmtime CLI 2023-11-19 21:11:54 +00:00
src cmd/compile/internal/walk: copy SSA-able variables 2023-11-21 20:34:12 +00:00
test cmd/compile/internal/walk: copy SSA-able variables 2023-11-21 20:34:12 +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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