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Auto merge of rust-lang#122676 - matthiaskrgr:rollup-noti0vr, r=matth…
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Rollup of 4 pull requests

Successful merges:

 - rust-lang#122639 (Fix typos)
 - rust-lang#122654 (interpret/memory: explain why we use == on bool)
 - rust-lang#122656 (simplify_cfg: rename some passes so that they make more sense)
 - rust-lang#122657 (Move `option_env!` and `env!` tests to the `env-macro` directory)

r? `@ghost`
`@rustbot` modify labels: rollup
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bors committed Mar 18, 2024
2 parents 80e5694 + 069b933 commit a42873e
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Showing 62 changed files with 65 additions and 62 deletions.
2 changes: 2 additions & 0 deletions compiler/rustc_const_eval/src/interpret/memory.rs
Original file line number Diff line number Diff line change
Expand Up @@ -949,6 +949,8 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
/// Runs the close in "validation" mode, which means the machine's memory read hooks will be
/// suppressed. Needless to say, this must only be set with great care! Cannot be nested.
pub(super) fn run_for_validation<R>(&self, f: impl FnOnce() -> R) -> R {
// This deliberately uses `==` on `bool` to follow the pattern
// `assert!(val.replace(new) == old)`.
assert!(
self.memory.validation_in_progress.replace(true) == false,
"`validation_in_progress` was already set"
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2 changes: 1 addition & 1 deletion compiler/rustc_hir_typeck/src/method/probe.rs
Original file line number Diff line number Diff line change
Expand Up @@ -1935,7 +1935,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> {
}
}

/// Determine if the associated item withe the given DefId matches
/// Determine if the associated item with the given DefId matches
/// the desired name via a doc alias.
fn matches_by_doc_alias(&self, def_id: DefId) -> bool {
let Some(name) = self.method_name else {
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2 changes: 1 addition & 1 deletion compiler/rustc_mir_build/src/build/scope.rs
Original file line number Diff line number Diff line change
Expand Up @@ -774,7 +774,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
let (current_root, parent_root) =
if self.tcx.sess.opts.unstable_opts.maximal_hir_to_mir_coverage {
// Some consumers of rustc need to map MIR locations back to HIR nodes. Currently
// the the only part of rustc that tracks MIR -> HIR is the
// the only part of rustc that tracks MIR -> HIR is the
// `SourceScopeLocalData::lint_root` field that tracks lint levels for MIR
// locations. Normally the number of source scopes is limited to the set of nodes
// with lint annotations. The -Zmaximal-hir-to-mir-coverage flag changes this
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4 changes: 2 additions & 2 deletions compiler/rustc_mir_transform/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -507,7 +507,7 @@ fn run_analysis_cleanup_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
let passes: &[&dyn MirPass<'tcx>] = &[
&cleanup_post_borrowck::CleanupPostBorrowck,
&remove_noop_landing_pads::RemoveNoopLandingPads,
&simplify::SimplifyCfg::EarlyOpt,
&simplify::SimplifyCfg::PostAnalysis,
&deref_separator::Derefer,
];

Expand Down Expand Up @@ -544,7 +544,7 @@ fn run_runtime_cleanup_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
let passes: &[&dyn MirPass<'tcx>] = &[
&lower_intrinsics::LowerIntrinsics,
&remove_place_mention::RemovePlaceMention,
&simplify::SimplifyCfg::ElaborateDrops,
&simplify::SimplifyCfg::PreOptimizations,
];

pm::run_passes(tcx, body, passes, Some(MirPhase::Runtime(RuntimePhase::PostCleanup)));
Expand Down
11 changes: 7 additions & 4 deletions compiler/rustc_mir_transform/src/simplify.rs
Original file line number Diff line number Diff line change
Expand Up @@ -37,8 +37,11 @@ pub enum SimplifyCfg {
Initial,
PromoteConsts,
RemoveFalseEdges,
EarlyOpt,
ElaborateDrops,
/// Runs at the beginning of "analysis to runtime" lowering, *before* drop elaboration.
PostAnalysis,
/// Runs at the end of "analysis to runtime" lowering, *after* drop elaboration.
/// This is before the main optimization passes on runtime MIR kick in.
PreOptimizations,
Final,
MakeShim,
AfterUninhabitedEnumBranching,
Expand All @@ -50,8 +53,8 @@ impl SimplifyCfg {
SimplifyCfg::Initial => "SimplifyCfg-initial",
SimplifyCfg::PromoteConsts => "SimplifyCfg-promote-consts",
SimplifyCfg::RemoveFalseEdges => "SimplifyCfg-remove-false-edges",
SimplifyCfg::EarlyOpt => "SimplifyCfg-early-opt",
SimplifyCfg::ElaborateDrops => "SimplifyCfg-elaborate-drops",
SimplifyCfg::PostAnalysis => "SimplifyCfg-post-analysis",
SimplifyCfg::PreOptimizations => "SimplifyCfg-pre-optimizations",
SimplifyCfg::Final => "SimplifyCfg-final",
SimplifyCfg::MakeShim => "SimplifyCfg-make_shim",
SimplifyCfg::AfterUninhabitedEnumBranching => {
Expand Down
2 changes: 0 additions & 2 deletions src/tools/tidy/src/issues.txt
Original file line number Diff line number Diff line change
Expand Up @@ -968,8 +968,6 @@
"ui/errors/issue-89280-emitter-overflow-splice-lines.rs",
"ui/errors/issue-99572-impl-trait-on-pointer.rs",
"ui/expr/if/issue-4201.rs",
"ui/extenv/issue-110547.rs",
"ui/extenv/issue-55897.rs",
"ui/extern/auxiliary/issue-80074-macro-2.rs",
"ui/extern/auxiliary/issue-80074-macro.rs",
"ui/extern/issue-10025.rs",
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2 changes: 1 addition & 1 deletion src/tools/tidy/src/ui_tests.rs
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ const ENTRY_LIMIT: usize = 900;
// FIXME: The following limits should be reduced eventually.

const ISSUES_ENTRY_LIMIT: usize = 1750;
const ROOT_ENTRY_LIMIT: usize = 866;
const ROOT_ENTRY_LIMIT: usize = 859;

const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[
"rs", // test source files
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `main` after SimplifyCfg-elaborate-drops
// MIR for `main` after SimplifyCfg-pre-optimizations

fn main() -> () {
let mut _0: ();
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `main` after SimplifyCfg-elaborate-drops
// MIR for `main` after SimplifyCfg-pre-optimizations

fn main() -> () {
let mut _0: ();
Expand Down
4 changes: 2 additions & 2 deletions tests/mir-opt/array_index_is_temporary.rs
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
//@ unit-test: SimplifyCfg-elaborate-drops
//@ unit-test: SimplifyCfg-pre-optimizations
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
// Retagging (from Stacked Borrows) relies on the array index being a fresh
// temporary, so that side-effects cannot change it.
Expand All @@ -10,7 +10,7 @@ unsafe fn foo(z: *mut usize) -> u32 {
}


// EMIT_MIR array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.mir
// EMIT_MIR array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.mir
fn main() {
// CHECK-LABEL: fn main(
// CHECK: debug x => [[x:_.*]];
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `main` after SimplifyCfg-elaborate-drops
// MIR for `main` after SimplifyCfg-pre-optimizations

fn main() -> () {
let mut _0: ();
Expand Down
2 changes: 1 addition & 1 deletion tests/mir-opt/byte_slice.rs
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// skip-filecheck
//@ compile-flags: -Z mir-opt-level=0

// EMIT_MIR byte_slice.main.SimplifyCfg-elaborate-drops.after.mir
// EMIT_MIR byte_slice.main.SimplifyCfg-pre-optimizations.after.mir
fn main() {
let x = b"foo";
let y = [5u8, b'x'];
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `BAR::promoted[0]` after SimplifyCfg-elaborate-drops
// MIR for `BAR::promoted[0]` after SimplifyCfg-pre-optimizations

const BAR::promoted[0]: &[&i32; 1] = {
let mut _0: &[&i32; 1];
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `FOO::promoted[0]` after SimplifyCfg-elaborate-drops
// MIR for `FOO::promoted[0]` after SimplifyCfg-pre-optimizations

const FOO::promoted[0]: &[&i32; 1] = {
let mut _0: &[&i32; 1];
Expand Down
4 changes: 2 additions & 2 deletions tests/mir-opt/const_promotion_extern_static.rs
Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,11 @@ extern "C" {
static Y: i32 = 42;

// EMIT_MIR const_promotion_extern_static.BAR.PromoteTemps.diff
// EMIT_MIR const_promotion_extern_static.BAR-promoted[0].SimplifyCfg-elaborate-drops.after.mir
// EMIT_MIR const_promotion_extern_static.BAR-promoted[0].SimplifyCfg-pre-optimizations.after.mir
static mut BAR: *const &i32 = [&Y].as_ptr();

// EMIT_MIR const_promotion_extern_static.FOO.PromoteTemps.diff
// EMIT_MIR const_promotion_extern_static.FOO-promoted[0].SimplifyCfg-elaborate-drops.after.mir
// EMIT_MIR const_promotion_extern_static.FOO-promoted[0].SimplifyCfg-pre-optimizations.after.mir
static mut FOO: *const &i32 = [unsafe { &X }].as_ptr();

// EMIT_MIR const_promotion_extern_static.BOP.built.after.mir
Expand Down
2 changes: 1 addition & 1 deletion tests/mir-opt/no_drop_for_inactive_variant.rs
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
// Ensure that there are no drop terminators in `unwrap<T>` (except the one along the cleanup
// path).

// EMIT_MIR no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.mir
// EMIT_MIR no_drop_for_inactive_variant.unwrap.SimplifyCfg-pre-optimizations.after.mir
fn unwrap<T>(opt: Option<T>) -> T {
match opt {
Some(x) => x,
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `unwrap` after SimplifyCfg-elaborate-drops
// MIR for `unwrap` after SimplifyCfg-pre-optimizations

fn unwrap(_1: Option<T>) -> T {
debug opt => _1;
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `unwrap` after SimplifyCfg-elaborate-drops
// MIR for `unwrap` after SimplifyCfg-pre-optimizations

fn unwrap(_1: Option<T>) -> T {
debug opt => _1;
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `main` after SimplifyCfg-elaborate-drops
// MIR for `main` after SimplifyCfg-pre-optimizations

fn main() -> () {
let mut _0: ();
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `main` after SimplifyCfg-elaborate-drops
// MIR for `main` after SimplifyCfg-pre-optimizations

fn main() -> () {
let mut _0: ();
Expand Down
2 changes: 1 addition & 1 deletion tests/mir-opt/packed_struct_drop_aligned.rs
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY


// EMIT_MIR packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.mir
// EMIT_MIR packed_struct_drop_aligned.main.SimplifyCfg-pre-optimizations.after.mir
fn main() {
let mut x = Packed(Aligned(Droppy(0)));
x.0 = Aligned(Droppy(0));
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `array_casts` after SimplifyCfg-elaborate-drops
// MIR for `array_casts` after SimplifyCfg-pre-optimizations

fn array_casts() -> () {
let mut _0: ();
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `array_casts` after SimplifyCfg-elaborate-drops
// MIR for `array_casts` after SimplifyCfg-pre-optimizations

fn array_casts() -> () {
let mut _0: ();
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `main::{closure#0}` after SimplifyCfg-elaborate-drops
// MIR for `main::{closure#0}` after SimplifyCfg-pre-optimizations

fn main::{closure#0}(_1: &{closure@main::{closure#0}}, _2: &i32) -> &i32 {
debug x => _2;
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `main::{closure#0}` after SimplifyCfg-elaborate-drops
// MIR for `main::{closure#0}` after SimplifyCfg-pre-optimizations

fn main::{closure#0}(_1: &{closure@main::{closure#0}}, _2: &i32) -> &i32 {
debug x => _2;
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `main` after SimplifyCfg-elaborate-drops
// MIR for `main` after SimplifyCfg-pre-optimizations

fn main() -> () {
let mut _0: ();
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `main` after SimplifyCfg-elaborate-drops
// MIR for `main` after SimplifyCfg-pre-optimizations

fn main() -> () {
let mut _0: ();
Expand Down
10 changes: 5 additions & 5 deletions tests/mir-opt/retag.rs
Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,8 @@

struct Test(i32);

// EMIT_MIR retag.{impl#0}-foo.SimplifyCfg-elaborate-drops.after.mir
// EMIT_MIR retag.{impl#0}-foo_shr.SimplifyCfg-elaborate-drops.after.mir
// EMIT_MIR retag.{impl#0}-foo.SimplifyCfg-pre-optimizations.after.mir
// EMIT_MIR retag.{impl#0}-foo_shr.SimplifyCfg-pre-optimizations.after.mir
impl Test {
// Make sure we run the pass on a method, not just on bare functions.
fn foo<'x>(&self, x: &'x mut i32) -> &'x mut i32 {
Expand All @@ -26,8 +26,8 @@ impl Drop for Test {
fn drop(&mut self) {}
}

// EMIT_MIR retag.main.SimplifyCfg-elaborate-drops.after.mir
// EMIT_MIR retag.main-{closure#0}.SimplifyCfg-elaborate-drops.after.mir
// EMIT_MIR retag.main.SimplifyCfg-pre-optimizations.after.mir
// EMIT_MIR retag.main-{closure#0}.SimplifyCfg-pre-optimizations.after.mir
pub fn main() {
let mut x = 0;
{
Expand Down Expand Up @@ -55,7 +55,7 @@ pub fn main() {
}

/// Casting directly to an array should also go through `&raw` and thus add appropriate retags.
// EMIT_MIR retag.array_casts.SimplifyCfg-elaborate-drops.after.mir
// EMIT_MIR retag.array_casts.SimplifyCfg-pre-optimizations.after.mir
fn array_casts() {
let mut x: [usize; 2] = [0, 0];
let p = &mut x as *mut usize;
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `<impl at $DIR/retag.rs:13:1: 13:10>::foo` after SimplifyCfg-elaborate-drops
// MIR for `<impl at $DIR/retag.rs:13:1: 13:10>::foo` after SimplifyCfg-pre-optimizations

fn <impl at $DIR/retag.rs:13:1: 13:10>::foo(_1: &Test, _2: &mut i32) -> &mut i32 {
debug self => _1;
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `<impl at $DIR/retag.rs:13:1: 13:10>::foo` after SimplifyCfg-elaborate-drops
// MIR for `<impl at $DIR/retag.rs:13:1: 13:10>::foo` after SimplifyCfg-pre-optimizations

fn <impl at $DIR/retag.rs:13:1: 13:10>::foo(_1: &Test, _2: &mut i32) -> &mut i32 {
debug self => _1;
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `<impl at $DIR/retag.rs:13:1: 13:10>::foo_shr` after SimplifyCfg-elaborate-drops
// MIR for `<impl at $DIR/retag.rs:13:1: 13:10>::foo_shr` after SimplifyCfg-pre-optimizations

fn <impl at $DIR/retag.rs:13:1: 13:10>::foo_shr(_1: &Test, _2: &i32) -> &i32 {
debug self => _1;
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// MIR for `<impl at $DIR/retag.rs:13:1: 13:10>::foo_shr` after SimplifyCfg-elaborate-drops
// MIR for `<impl at $DIR/retag.rs:13:1: 13:10>::foo_shr` after SimplifyCfg-pre-optimizations

fn <impl at $DIR/retag.rs:13:1: 13:10>::foo_shr(_1: &Test, _2: &i32) -> &i32 {
debug self => _1;
Expand Down
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
- // MIR for `main` before SimplifyCfg-early-opt
+ // MIR for `main` after SimplifyCfg-early-opt
- // MIR for `main` before SimplifyCfg-post-analysis
+ // MIR for `main` after SimplifyCfg-post-analysis

fn main() -> () {
let mut _0: ();
Expand Down
2 changes: 1 addition & 1 deletion tests/mir-opt/simplify_cfg.rs
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
//@ no-prefer-dynamic

// EMIT_MIR simplify_cfg.main.SimplifyCfg-initial.diff
// EMIT_MIR simplify_cfg.main.SimplifyCfg-early-opt.diff
// EMIT_MIR simplify_cfg.main.SimplifyCfg-post-analysis.diff
fn main() {
loop {
if bar() {
Expand Down
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
error: expected string literal
--> $DIR/extenv-arg-2-not-string-literal.rs:1:25
--> $DIR/env-arg-2-not-string-literal.rs:1:25
|
LL | fn main() { env!("one", 10); }
| ^^
Expand Down
File renamed without changes.
File renamed without changes.
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
error: environment variable `\t` not defined at compile time
--> $DIR/extenv-escaped-var.rs:2:5
--> $DIR/env-escaped-var.rs:2:5
|
LL | env!("\t");
| ^^^^^^^^^^
Expand Down
File renamed without changes.
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
error: `env!()` takes 1 or 2 arguments
--> $DIR/extenv-no-args.rs:1:13
--> $DIR/env-no-args.rs:1:13
|
LL | fn main() { env!(); }
| ^^^^^^
Expand Down
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
error: my error message
--> $DIR/extenv-not-defined-custom.rs:1:13
--> $DIR/env-not-defined-custom.rs:1:13
|
LL | fn main() { env!("__HOPEFULLY_NOT_DEFINED__", "my error message"); }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Expand Down
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
error: environment variable `CARGO__HOPEFULLY_NOT_DEFINED__` not defined at compile time
--> $DIR/extenv-not-defined-default.rs:2:5
--> $DIR/env-not-defined-default.rs:2:5
|
LL | env!("CARGO__HOPEFULLY_NOT_DEFINED__");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Expand Down
File renamed without changes.
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
error: expected string literal
--> $DIR/extenv-not-string-literal.rs:1:18
--> $DIR/env-not-string-literal.rs:1:18
|
LL | fn main() { env!(10, "two"); }
| ^^
Expand Down
File renamed without changes.
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
error: `env!()` takes 1 or 2 arguments
--> $DIR/extenv-too-many-args.rs:1:13
--> $DIR/env-too-many-args.rs:1:13
|
LL | fn main() { env!("one", "two", "three"); }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Expand Down
File renamed without changes.
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
error: environment variable `NON_EXISTENT` not defined at compile time
--> $DIR/issue-55897.rs:10:22
--> $DIR/error-recovery-issue-55897.rs:10:22
|
LL | include!(concat!(env!("NON_EXISTENT"), "/data.rs"));
| ^^^^^^^^^^^^^^^^^^^^
Expand All @@ -8,13 +8,13 @@ LL | include!(concat!(env!("NON_EXISTENT"), "/data.rs"));
= note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)

error: suffixes on string literals are invalid
--> $DIR/issue-55897.rs:15:22
--> $DIR/error-recovery-issue-55897.rs:15:22
|
LL | include!(concat!("NON_EXISTENT"suffix, "/data.rs"));
| ^^^^^^^^^^^^^^^^^^^^ invalid suffix `suffix`

error[E0432]: unresolved import `prelude`
--> $DIR/issue-55897.rs:1:5
--> $DIR/error-recovery-issue-55897.rs:1:5
|
LL | use prelude::*;
| ^^^^^^^
Expand All @@ -23,7 +23,7 @@ LL | use prelude::*;
| help: a similar path exists: `std::prelude`

error[E0432]: unresolved import `env`
--> $DIR/issue-55897.rs:4:9
--> $DIR/error-recovery-issue-55897.rs:4:9
|
LL | use env;
| ^^^ no `env` in the root
Expand Down
File renamed without changes.
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