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Cuong Manh Le 629ae1cee6 cmd/compile: fix wrong position when rewriting to OpArg/OpArgXXX
When spilling arg to stack or register, if it's a newly created value,
the arg position should be preserved. Otherwise, we may end up using
position information from deadcode lines.

This fixes the minimized test case in #54625 by mdempsky@, and make
building std successfully. However, the inline trees for these tests
still be corrupted:

 - fixedbugs/issue53982.go
 - typeparam/issue47775.go
 - typeparam/issue47775b.go
 - typeparam/issue49432.go

We probably still mess up the inline position somewhere else.

Updates #54625

Change-Id: I0d87e26b9ab451b85b6e79787da74a2b79a16209
Reviewed-on: https://go-review.googlesource.com/c/go/+/425785
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2022-08-30 00:49:19 +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: fix wrong position when rewriting to OpArg/OpArgXXX 2022-08-30 00:49:19 +00:00
test cmd/compile: intrinsify Sub64 on riscv64 2022-08-27 05:43:59 +00:00
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README.md README.md: update wiki link 2022-04-26 16:21:18 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00

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