Rollup merge of #134777 - saethlin:enable-more-tests-on-windows, r=Noratrieb

jhpratt · web-flow · commit 2a8a1911da03 · 2025-02-04T05:36:50.000-05:00
Enable more tests on Windows As part of the discussion of rust-lang/compiler-team#822 on Zulip, it was mentioned that problems with the i686-pc-windows-gnu target may have resulted in tests being disabled on Windows. So in this PR, I've ripped out all our `//@ ignore-windows` directives, then re-added all the ones that are definitely required based on the outcome of try-builds, and in some cases I've improved the justification or tightened the directives to `//@ ignore-msvc` or ignoring specific targets.
diff --git a/tests/codegen/debug-column.rs b/tests/codegen/debug-column.rs
@@ -1,6 +1,6 @@
 // Verify that debuginfo column numbers are 1-based byte offsets.
 //
-//@ ignore-windows
+//@ ignore-msvc
 //@ compile-flags: -C debuginfo=2
 
 #[rustfmt::skip]
diff --git a/tests/codegen/force-no-unwind-tables.rs b/tests/codegen/force-no-unwind-tables.rs
@@ -1,5 +1,5 @@
 //@ compile-flags: -C no-prepopulate-passes -C panic=abort -C force-unwind-tables=n
-//@ ignore-windows
+//@ ignore-windows: unwind tables are required for panics on Windows
 
 #![crate_type = "lib"]
 
diff --git a/tests/codegen/thread-local.rs b/tests/codegen/thread-local.rs
@@ -1,6 +1,6 @@
 //@ compile-flags: -O
 //@ aux-build:thread_local_aux.rs
-//@ ignore-windows FIXME(#84933)
+//@ ignore-windows FIXME(#134939)
 //@ ignore-wasm globals are used instead of thread locals
 //@ ignore-emscripten globals are used instead of thread locals
 //@ ignore-android does not use #[thread_local]
diff --git a/tests/crashes/132981.rs b/tests/crashes/132981.rs
@@ -2,6 +2,10 @@
 //@compile-flags: -Clink-dead-code=true --crate-type lib
 //@ only-x86_64
 //@ ignore-windows
+// The set of targets this crashes on is really fiddly, because it is deep in our ABI logic. It
+// crashes on x86_64-unknown-linux-gnu, and i686-pc-windows-msvc, but not on
+// x86_64-pc-windows-msvc. If you are trying to fix this crash, don't pay too much attention to the
+// directives.
 
 #![feature(rust_cold_cc)]
 pub extern "rust-cold" fn foo(_: [usize; 3]) {}
diff --git a/tests/rustdoc-ui/doctest/relative-path-include-bytes-132203.rs b/tests/rustdoc-ui/doctest/relative-path-include-bytes-132203.rs
@@ -1,4 +1,4 @@
-//@ ignore-windows
+//@ ignore-windows different error message
 //@ revisions: edition2015 edition2024
 //@[edition2015]edition:2015
 //@[edition2015]check-fail
diff --git a/tests/ui-fulldeps/stable-mir/check_abi.rs b/tests/ui-fulldeps/stable-mir/check_abi.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 
 #![feature(rustc_private)]
 #![feature(assert_matches)]
diff --git a/tests/ui-fulldeps/stable-mir/check_allocation.rs b/tests/ui-fulldeps/stable-mir/check_allocation.rs
@@ -5,7 +5,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/check_attribute.rs b/tests/ui-fulldeps/stable-mir/check_attribute.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 
 #![feature(rustc_private)]
 
diff --git a/tests/ui-fulldeps/stable-mir/check_binop.rs b/tests/ui-fulldeps/stable-mir/check_binop.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 
 #![feature(rustc_private)]
 
diff --git a/tests/ui-fulldeps/stable-mir/check_crate_defs.rs b/tests/ui-fulldeps/stable-mir/check_crate_defs.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 
 #![feature(rustc_private)]
 #![feature(assert_matches)]
diff --git a/tests/ui-fulldeps/stable-mir/check_def_ty.rs b/tests/ui-fulldeps/stable-mir/check_def_ty.rs
@@ -5,7 +5,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/check_defs.rs b/tests/ui-fulldeps/stable-mir/check_defs.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/check_foreign.rs b/tests/ui-fulldeps/stable-mir/check_foreign.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/check_instance.rs b/tests/ui-fulldeps/stable-mir/check_instance.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/check_intrinsics.rs b/tests/ui-fulldeps/stable-mir/check_intrinsics.rs
@@ -8,7 +8,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 
 #![feature(rustc_private)]
 #![feature(assert_matches)]
diff --git a/tests/ui-fulldeps/stable-mir/check_item_kind.rs b/tests/ui-fulldeps/stable-mir/check_item_kind.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/check_normalization.rs b/tests/ui-fulldeps/stable-mir/check_normalization.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/check_trait_queries.rs b/tests/ui-fulldeps/stable-mir/check_trait_queries.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/check_transform.rs b/tests/ui-fulldeps/stable-mir/check_transform.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 
 #![feature(rustc_private)]
 #![feature(assert_matches)]
diff --git a/tests/ui-fulldeps/stable-mir/check_ty_fold.rs b/tests/ui-fulldeps/stable-mir/check_ty_fold.rs
@@ -5,7 +5,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/compilation-result.rs b/tests/ui-fulldeps/stable-mir/compilation-result.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/crate-info.rs b/tests/ui-fulldeps/stable-mir/crate-info.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/projections.rs b/tests/ui-fulldeps/stable-mir/projections.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/smir_internal.rs b/tests/ui-fulldeps/stable-mir/smir_internal.rs
@@ -5,7 +5,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/smir_serde.rs b/tests/ui-fulldeps/stable-mir/smir_serde.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui-fulldeps/stable-mir/smir_visitor.rs b/tests/ui-fulldeps/stable-mir/smir_visitor.rs
@@ -4,7 +4,6 @@
 //@ ignore-stage1
 //@ ignore-cross-compile
 //@ ignore-remote
-//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
 //@ edition: 2021
 
 #![feature(rustc_private)]
diff --git a/tests/ui/abi/abi-sysv64-arg-passing.rs b/tests/ui/abi/abi-sysv64-arg-passing.rs
@@ -29,7 +29,8 @@
 //@ ignore-aarch64
 //@ ignore-windows
 
-// note: windows is ignored as rust_test_helpers does not have the sysv64 abi on windows
+// Windows is ignored because bootstrap doesn't yet know to compile rust_test_helpers with
+// the sysv64 ABI on Windows.
 
 #[allow(dead_code)]
 #[allow(improper_ctypes)]
diff --git a/tests/ui/abi/large-byval-align.rs b/tests/ui/abi/large-byval-align.rs
@@ -1,6 +1,5 @@
 //@ compile-flags: -Copt-level=0
 //@ only-x86_64
-//@ ignore-windows
 //@ min-llvm-version: 19
 //@ build-pass
 
diff --git a/tests/ui/feature-gates/feature-gate-cfg-target-thread-local.rs b/tests/ui/feature-gates/feature-gate-cfg-target-thread-local.rs
@@ -1,4 +1,4 @@
-//@ ignore-windows
+//@ ignore-windows FIXME(134939): thread_local + no_mangle doesn't work on Windows
 //@ aux-build:cfg-target-thread-local.rs
 
 #![feature(thread_local)]
diff --git a/tests/ui/inference/issue-71584.rs b/tests/ui/inference/issue-71584.rs
@@ -1,4 +1,4 @@
-//@ ignore-windows different list of satisfying impls
+//@ ignore-windows FIXME: We get an extra E0283 on Windows
 fn main() {
     let n: u32 = 1;
     let mut d: u64 = 2;
diff --git a/tests/ui/linkage-attr/linkage-attr-does-not-panic-llvm-issue-33992.rs b/tests/ui/linkage-attr/linkage-attr-does-not-panic-llvm-issue-33992.rs
@@ -1,5 +1,4 @@
 //@ run-pass
-//@ ignore-windows
 //@ ignore-apple
 //@ ignore-wasm32 common linkage not implemented right now
 
@@ -11,9 +10,11 @@ pub static TEST2: bool = true;
 #[linkage = "internal"]
 pub static TEST3: bool = true;
 
+#[cfg(not(target_env = "msvc"))]
 #[linkage = "linkonce"]
 pub static TEST4: bool = true;
 
+#[cfg(not(target_env = "msvc"))]
 #[linkage = "linkonce_odr"]
 pub static TEST5: bool = true;
 
diff --git a/tests/ui/linkage-attr/propagate-generic-issue-18804/main.rs b/tests/ui/linkage-attr/propagate-generic-issue-18804/main.rs
@@ -3,7 +3,6 @@
 // functions. Failure results in a linker error.
 
 //@ ignore-emscripten no weak symbol support
-//@ ignore-windows no extern_weak linkage
 //@ ignore-apple no extern_weak linkage
 
 //@ aux-build:lib.rs
diff --git a/tests/ui/logging-only-prints-once.rs b/tests/ui/logging-only-prints-once.rs
@@ -1,5 +1,4 @@
 //@ run-pass
-//@ ignore-windows
 //@ needs-threads
 
 use std::cell::Cell;
diff --git a/tests/ui/lto/weak-works.rs b/tests/ui/lto/weak-works.rs
@@ -1,7 +1,8 @@
 //@ run-pass
 
 //@ compile-flags: -C codegen-units=8 -Z thinlto
-//@ ignore-windows
+//@ ignore-i686-pc-windows-gnu
+//@ ignore-x86_64-pc-windows-gnu
 
 #![feature(linkage)]
 
diff --git a/tests/ui/parser/mod_file_not_exist.rs b/tests/ui/parser/mod_file_not_exist.rs
@@ -1,5 +1,3 @@
-//@ ignore-windows
-
 mod not_a_real_file; //~ ERROR file not found for module `not_a_real_file`
 //~^ HELP to create the module `not_a_real_file`, create file
 
diff --git a/tests/ui/parser/mod_file_not_exist.stderr b/tests/ui/parser/mod_file_not_exist.stderr
@@ -1,5 +1,5 @@
 error[E0583]: file not found for module `not_a_real_file`
-  --> $DIR/mod_file_not_exist.rs:3:1
+  --> $DIR/mod_file_not_exist.rs:1:1
    |
 LL | mod not_a_real_file;
    | ^^^^^^^^^^^^^^^^^^^^
@@ -8,7 +8,7 @@ LL | mod not_a_real_file;
    = note: if there is a `mod not_a_real_file` elsewhere in the crate already, import it with `use crate::...` instead
 
 error[E0433]: failed to resolve: use of unresolved module or unlinked crate `mod_file_aux`
-  --> $DIR/mod_file_not_exist.rs:7:16
+  --> $DIR/mod_file_not_exist.rs:5:16
    |
 LL |     assert_eq!(mod_file_aux::bar(), 10);
    |                ^^^^^^^^^^^^ use of unresolved module or unlinked crate `mod_file_aux`
diff --git a/tests/ui/suggestions/missing-lifetime-specifier.rs b/tests/ui/suggestions/missing-lifetime-specifier.rs
@@ -1,6 +1,5 @@
 // The specific errors produced depend the thread-local implementation.
 // Run only on platforms with "fast" TLS.
-//@ ignore-windows FIXME(#84933)
 //@ ignore-wasm globals are used instead of thread locals
 //@ ignore-emscripten globals are used instead of thread locals
 //@ ignore-android does not use #[thread_local]
diff --git a/tests/ui/suggestions/missing-lifetime-specifier.stderr b/tests/ui/suggestions/missing-lifetime-specifier.stderr
@@ -1,5 +1,5 @@
 error[E0106]: missing lifetime specifiers
-  --> $DIR/missing-lifetime-specifier.rs:28:44
+  --> $DIR/missing-lifetime-specifier.rs:27:44
    |
 LL |     static a: RefCell<HashMap<i32, Vec<Vec<Foo>>>> = RefCell::new(HashMap::new());
    |                                            ^^^ expected 2 lifetime parameters
@@ -11,7 +11,7 @@ LL |     static a: RefCell<HashMap<i32, Vec<Vec<Foo<'static, 'static>>>>> = RefC
    |                                               ++++++++++++++++++
 
 error[E0106]: missing lifetime specifiers
-  --> $DIR/missing-lifetime-specifier.rs:32:44
+  --> $DIR/missing-lifetime-specifier.rs:31:44
    |
 LL |     static b: RefCell<HashMap<i32, Vec<Vec<&Bar>>>> = RefCell::new(HashMap::new());
    |                                            ^^^^ expected 2 lifetime parameters
@@ -25,7 +25,7 @@ LL |     static b: RefCell<HashMap<i32, Vec<Vec<&'static Bar<'static, 'static>>>
    |                                             +++++++    ++++++++++++++++++
 
 error[E0106]: missing lifetime specifiers
-  --> $DIR/missing-lifetime-specifier.rs:36:47
+  --> $DIR/missing-lifetime-specifier.rs:35:47
    |
 LL |     static c: RefCell<HashMap<i32, Vec<Vec<Qux<i32>>>>> = RefCell::new(HashMap::new());
    |                                               ^ expected 2 lifetime parameters
@@ -37,7 +37,7 @@ LL |     static c: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> =
    |                                                +++++++++++++++++
 
 error[E0106]: missing lifetime specifiers
-  --> $DIR/missing-lifetime-specifier.rs:40:44
+  --> $DIR/missing-lifetime-specifier.rs:39:44
    |
 LL |     static d: RefCell<HashMap<i32, Vec<Vec<&Tar<i32>>>>> = RefCell::new(HashMap::new());
    |                                            ^   ^ expected 2 lifetime parameters
@@ -51,7 +51,7 @@ LL |     static d: RefCell<HashMap<i32, Vec<Vec<&'static Tar<'static, 'static, i
    |                                             +++++++     +++++++++++++++++
 
 error[E0106]: missing lifetime specifier
-  --> $DIR/missing-lifetime-specifier.rs:49:44
+  --> $DIR/missing-lifetime-specifier.rs:48:44
    |
 LL |     static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new());
    |                                            ^ expected named lifetime parameter
@@ -63,15 +63,15 @@ LL |     static f: RefCell<HashMap<i32, Vec<Vec<&'static Tar<'static, i32>>>>> =
    |                                             +++++++
 
 error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied
-  --> $DIR/missing-lifetime-specifier.rs:45:44
+  --> $DIR/missing-lifetime-specifier.rs:44:44
    |
 LL |     static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new());
    |                                            ^^^ ------- supplied 1 lifetime argument
    |                                            |
    |                                            expected 2 lifetime arguments
    |
 note: union defined here, with 2 lifetime parameters: `'t`, `'k`
-  --> $DIR/missing-lifetime-specifier.rs:21:11
+  --> $DIR/missing-lifetime-specifier.rs:20:11
    |
 LL | pub union Qux<'t, 'k, I> {
    |           ^^^ --  --
@@ -81,15 +81,15 @@ LL |     static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> =
    |                                                       +++++++++
 
 error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied
-  --> $DIR/missing-lifetime-specifier.rs:49:45
+  --> $DIR/missing-lifetime-specifier.rs:48:45
    |
 LL |     static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new());
    |                                             ^^^ ------- supplied 1 lifetime argument
    |                                             |
    |                                             expected 2 lifetime arguments
    |
 note: trait defined here, with 2 lifetime parameters: `'t`, `'k`
-  --> $DIR/missing-lifetime-specifier.rs:25:7
+  --> $DIR/missing-lifetime-specifier.rs:24:7
    |
 LL | trait Tar<'t, 'k, I> {}
    |       ^^^ --  --
diff --git a/tests/ui/threads-sendsync/spawning-with-debug.rs b/tests/ui/threads-sendsync/spawning-with-debug.rs
@@ -1,7 +1,6 @@
 //@ run-pass
 #![allow(unused_must_use)]
 #![allow(unused_mut)]
-//@ ignore-windows
 //@ exec-env:RUST_LOG=debug
 //@ needs-threads
 
diff --git a/tests/ui/threads-sendsync/thread-local-extern-static.rs b/tests/ui/threads-sendsync/thread-local-extern-static.rs
diff --git a/tests/ui/traits/issue-77982.rs b/tests/ui/traits/issue-77982.rs
diff --git a/tests/ui/traits/issue-77982.stderr b/tests/ui/traits/issue-77982.stderr
diff --git a/tests/ui/typeck/issue-43189.rs b/tests/ui/typeck/issue-43189.rs
diff --git a/tests/ui/typeck/issue-43189.stderr b/tests/ui/typeck/issue-43189.stderr
diff --git a/tests/ui/typeck/issue-46112.rs b/tests/ui/typeck/issue-46112.rs
diff --git a/tests/ui/typeck/issue-46112.stderr b/tests/ui/typeck/issue-46112.stderr

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-//@ ignore-windows`
	`1`	`+//@ ignore-windows different error message`
`2`	`2`	`//@ revisions: edition2015 edition2024`
`3`	`3`	`//@[edition2015]edition:2015`
`4`	`4`	`//@[edition2015]check-fail`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-//@ ignore-windows`
	`1`	`+//@ ignore-windows FIXME(134939): thread_local + no_mangle doesn't work on Windows`
`2`	`2`	`//@ aux-build:cfg-target-thread-local.rs`
`3`	`3`
`4`	`4`	`#![feature(thread_local)]`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-//@ ignore-windows different list of satisfying impls`
	`1`	`+//@ ignore-windows FIXME: We get an extra E0283 on Windows`
`2`	`2`	`fn main() {`
`3`	`3`	`let n: u32 = 1;`
`4`	`4`	`let mut d: u64 = 2;`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,4 @@`
`1`	`1`	`//@ run-pass`
`2`		`-//@ ignore-windows`
`3`	`2`	`//@ needs-threads`
`4`	`3`
`5`	`4`	`use std::cell::Cell;`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,3 @@`
`1`		`-//@ ignore-windows`
`2`		`-`
`3`	`1`	mod not_a_real_file; //~ ERROR file not found for module `not_a_real_file`
`4`	`2`	//~^ HELP to create the module `not_a_real_file`, create file
`5`	`3`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	error[E0583]: file not found for module `not_a_real_file`
`2`		`- --> $DIR/mod_file_not_exist.rs:3:1`
	`2`	`+ --> $DIR/mod_file_not_exist.rs:1:1`
`3`	`3`	`\|`
`4`	`4`	`LL \| mod not_a_real_file;`
`5`	`5`	`\| ^^^^^^^^^^^^^^^^^^^^`
`@@ -8,7 +8,7 @@ LL \| mod not_a_real_file;`
`8`	`8`	= note: if there is a `mod not_a_real_file` elsewhere in the crate already, import it with `use crate::...` instead
`9`	`9`
`10`	`10`	error[E0433]: failed to resolve: use of unresolved module or unlinked crate `mod_file_aux`
`11`		`- --> $DIR/mod_file_not_exist.rs:7:16`
	`11`	`+ --> $DIR/mod_file_not_exist.rs:5:16`
`12`	`12`	`\|`
`13`	`13`	`LL \| assert_eq!(mod_file_aux::bar(), 10);`
`14`	`14`	\| ^^^^^^^^^^^^ use of unresolved module or unlinked crate `mod_file_aux`