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Dan Scales e39ab9b01c cmd/compile: pop instantiations of local types when leaving scope
Since we use existing instantiations from the symbol table when possible
(to make sure each instantiation is unique), we need to pop
instantiations of local types when leaving the containing scope.
g.stmts() now pushes and pops scope, and we do a Pushdcl() in g.typ0()
when creating an instantiation of a local type.

Non-instantiated local types (generic or not) are translated directly
from types2, so they don't need to be pushed/popped. We don't export
function bodies with local types, so there is no issue during import.

We still don't support local types in generic functions/methods.

Fixes #50177

Change-Id: If2d2fe71aec003d13f0338565c7a0da2c9580a14
Reviewed-on: https://go-review.googlesource.com/c/go/+/372654
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-01-04 22:05:15 +00:00
.github .github: use multiple issue templates 2021-12-03 18:27:20 +00:00
api api: promote next to go1.18 2021-12-14 17:43:51 +00:00
doc doc/go1.18: mention new cmd/go fuzzing flags 2022-01-04 21:10:15 +00:00
lib/time lib/time, time/tzdata: update to 2021e 2021-11-11 05:16:39 +00:00
misc misc/cgo/testsanitizers: accept compilers that don't report location 2021-12-29 20:20:32 +00:00
src cmd/compile: pop instantiations of local types when leaving scope 2022-01-04 22:05:15 +00:00
test cmd/compile: pop instantiations of local types when leaving scope 2022-01-04 22:05:15 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: add Bharath Kumar Uppala (individual CLA) 2021-11-29 00:57:09 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md
CONTRIBUTORS A+C: add Bharath Kumar Uppala (individual CLA) 2021-11-29 00:57:09 +00:00
LICENSE
PATENTS
README.md README.md: update contribute URL 2021-09-30 13:33:21 +00:00
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