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With range over int, the rune literal in range expression will be left
as untyped rune, but idealType is not handling this case, causing ICE.
Fixing this by setting the concrete type for untyped rune expresison.
Fixes #64471
Change-Id: I07a151c54ea1d9e1b92e4d96cdfb6e73dca13862
Reviewed-on: https://go-review.googlesource.com/c/go/+/546296
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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Move the range-over-function tests into range4.go.
Change-Id: Idccf30a0c7d7e8d2a17fb1c5561cf21e00506135
Reviewed-on: https://go-review.googlesource.com/c/go/+/539095
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
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Before range over integer, types2 leaves constant expression in RHS of
non-constant shift untyped, so idealType do the validation to ensure
that constant value must be an int >= 0.
With range over int, the range expression can also be left untyped, and
can be an negative integer, causing the validation false.
Fixing this by relaxing the validation in idealType, and moving the
check to Unified IR reader.
Fixes #63378
Change-Id: I43042536c09afd98d52c5981adff5dbc5e7d882a
Reviewed-on: https://go-review.googlesource.com/c/go/+/532835
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
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Add compiler support for range over functions.
See the large comment at the top of
cmd/compile/internal/rangefunc/rewrite.go for details.
This is only reachable if GOEXPERIMENT=range is set,
because otherwise type checking will fail.
For proposal #61405 (but behind a GOEXPERIMENT).
For #61717.
Change-Id: I05717f94e63089c503acc49b28b47edeb4e011b4
Reviewed-on: https://go-review.googlesource.com/c/go/+/510541
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Auto-Submit: Russ Cox <rsc@golang.org>
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Add compiler implementation of range over integers.
This is only reachable if GOEXPERIMENT=range is set,
because otherwise type checking will fail.
For proposal #61405 (but behind a GOEXPERIMENT).
For #61717.
Change-Id: I4e35a73c5df1ac57f61ffb54033a433967e5be51
Reviewed-on: https://go-review.googlesource.com/c/go/+/510538
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Auto-Submit: Russ Cox <rsc@golang.org>
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