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Matthew Dempsky dfdf55158d cmd/compile/internal/noder: fix type switch case vars package
When naming case variables, the unified frontend was using
typecheck.Lookup, which uses the current package, rather than
localIdent, which uses the package the variable was originally
declared in. When inlining across package boundaries, this could cause
the case variables to be associated with the wrong package.

In practice, I don't believe this has any negative consequences, but
it's inconsistent and triggered an ICE in typecheck.ClosureType, which
expected all captured variables to be declared in the same package.

Easy fix is to ensure case variables are declared in the correct
package by using localIdent.

Fixes #54912.

Change-Id: I7a429c708ad95723f46a67872cb0cf0c53a6a0d6
Reviewed-on: https://go-review.googlesource.com/c/go/+/428918
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
2022-09-07 17:26:39 +00:00
.github .github: update issue label for pkgsite-removal 2022-09-07 16:00:20 +00:00
api go/ast: add Range token.Pos to RangeStmt 2022-09-05 08:12:37 +00:00
doc doc/go1.20: populate initial TODOs via relnote 2022-08-24 18:36:56 +00:00
lib/time
misc misc: use strings.Builder 2022-09-06 15:44:25 +00:00
src cmd/compile/internal/noder: fix type switch case vars package 2022-09-07 17:26:39 +00:00
test cmd/compile/internal/noder: fix type switch case vars package 2022-09-07 17:26:39 +00:00
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