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Matthew Dempsky 318027044a [dev.unified] cmd/compile/internal/noder: explicit nil handling
Currently, uses of "nil" are handling as references to cmd/compile's
own untyped "nil" object, and then we rely on implicitly converting
that to its appropriate type. But there are cases where this can
subtly go wrong (e.g., the switch test case added in the previous CL).

Instead, explicitly handling "nil" expressions so that we can
construct them directly with the appropriate type, as computed already
by types2.

Change-Id: I587f044f60f24e87525dde6d7dad6c58f14478de
Reviewed-on: https://go-review.googlesource.com/c/go/+/418100
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
2022-07-19 23:30:58 +00:00
.github
api debug/pe: add IMAGE_FILE_MACHINE_LOONGARCH{64,32} 2022-06-29 22:29:34 +00:00
doc spec: retitle section on "Assignments" to "Assignment statements" 2022-06-30 00:58:41 +00:00
lib/time lib/time, time/tzdata: update to 2022a 2022-05-31 08:53:53 +00:00
misc cmd/internal/obj/arm64: save LR and SP in one instruction for small frames 2022-06-29 22:26:58 +00:00
src [dev.unified] cmd/compile/internal/noder: explicit nil handling 2022-07-19 23:30:58 +00:00
test [dev.unified] test: add switch test case for tricky nil handling 2022-07-19 23:30:49 +00:00
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AUTHORS A+C: add Jinzhu Zhang 2022-05-08 17:28:26 +00:00
codereview.cfg [dev.unified] all: update codereview.cfg for dev.unified branch 2022-06-06 16:16:12 +00:00
CONTRIBUTING.md
CONTRIBUTORS A+C: add Jinzhu Zhang 2022-05-08 17:28:26 +00:00
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