Update tests

Author: mu001999

compiler/rustc_span/src/source_map/tests.rs

@@ -1,5 +1,7 @@
 use super::*;
 
+use rustc_data_structures::sync::FreezeLock;
+
 fn init_source_map() -> SourceMap {
     let sm = SourceMap::new(FilePathMapping::empty());
     sm.new_source_file(PathBuf::from("blork.rs").into(), "first line.\nsecond line".to_string());
@@ -263,53 +265,6 @@ fn t10() {
     );
 }
 
-/// Returns the span corresponding to the `n`th occurrence of `substring` in `source_text`.
-trait SourceMapExtension {
-    fn span_substr(
-        &self,
-        file: &Lrc<SourceFile>,
-        source_text: &str,
-        substring: &str,
-        n: usize,
-    ) -> Span;
-}
-
-impl SourceMapExtension for SourceMap {
-    fn span_substr(
-        &self,
-        file: &Lrc<SourceFile>,
-        source_text: &str,
-        substring: &str,
-        n: usize,
-    ) -> Span {
-        eprintln!(
-            "span_substr(file={:?}/{:?}, substring={:?}, n={})",
-            file.name, file.start_pos, substring, n
-        );
-        let mut i = 0;
-        let mut hi = 0;
-        loop {
-            let offset = source_text[hi..].find(substring).unwrap_or_else(|| {
-                panic!(
-                    "source_text `{}` does not have {} occurrences of `{}`, only {}",
-                    source_text, n, substring, i
-                );
-            });
-            let lo = hi + offset;
-            hi = lo + substring.len();
-            if i == n {
-                let span = Span::with_root_ctxt(
-                    BytePos(lo as u32 + file.start_pos.0),
-                    BytePos(hi as u32 + file.start_pos.0),
-                );
-                assert_eq!(&self.span_to_snippet(span).unwrap()[..], substring);
-                return span;
-            }
-            i += 1;
-        }
-    }
-}
-
 // Takes a unix-style path and returns a platform specific path.
 fn path(p: &str) -> PathBuf {
     path_str(p).into()

library/core/tests/macros.rs

@@ -1,3 +1,4 @@
+#[allow(dead_code)]
 trait Trait {
     fn blah(&self);
 }

library/std/src/sys_common/mod.rs

@@ -59,12 +59,14 @@ cfg_if::cfg_if! {
 
 /// A trait for viewing representations from std types
 #[doc(hidden)]
+#[allow(dead_code)] // not used on all platforms
 pub trait AsInner<Inner: ?Sized> {
     fn as_inner(&self) -> &Inner;
 }
 
 /// A trait for viewing representations from std types
 #[doc(hidden)]
+#[allow(dead_code)] // not used on all platforms
 pub trait AsInnerMut<Inner: ?Sized> {
     fn as_inner_mut(&mut self) -> &mut Inner;
 }

src/tools/miri/tests/fail/dyn-call-trait-mismatch.rs

@@ -1,4 +1,5 @@
 trait T1 {
+    #[allow(dead_code)]
     fn method1(self: Box<Self>);
 }
 trait T2 {

src/tools/miri/tests/fail/dyn-upcast-trait-mismatch.rs

@@ -2,30 +2,36 @@
 #![allow(incomplete_features)]
 
 trait Foo: PartialEq<i32> + std::fmt::Debug + Send + Sync {
+    #[allow(dead_code)]
     fn a(&self) -> i32 {
         10
     }
 
+    #[allow(dead_code)]
     fn z(&self) -> i32 {
         11
     }
 
+    #[allow(dead_code)]
     fn y(&self) -> i32 {
         12
     }
 }
 
 trait Bar: Foo {
+    #[allow(dead_code)]
     fn b(&self) -> i32 {
         20
     }
 
+    #[allow(dead_code)]
     fn w(&self) -> i32 {
         21
     }
 }
 
 trait Baz: Bar {
+    #[allow(dead_code)]
     fn c(&self) -> i32 {
         30
     }

src/tools/miri/tests/pass/cast-rfc0401-vtable-kinds.rs

@@ -9,6 +9,7 @@ trait Foo<T> {
     }
 }
 
+#[allow(dead_code)]
 trait Bar {
     fn bar(&self) {
         println!("Bar!");

src/tools/miri/tests/pass/dyn-upcast.rs

@@ -383,14 +383,17 @@ fn struct_() {
 
 fn replace_vptr() {
     trait A {
+        #[allow(dead_code)]
         fn foo_a(&self);
     }
 
     trait B {
+        #[allow(dead_code)]
         fn foo_b(&self);
     }
 
     trait C: A + B {
+        #[allow(dead_code)]
         fn foo_c(&self);
     }
 

src/tools/miri/tests/pass/weak_memory/weak.rs

@@ -11,6 +11,7 @@ use std::sync::atomic::Ordering::*;
 use std::sync::atomic::{fence, AtomicUsize};
 use std::thread::spawn;
 
+#[allow(dead_code)]
 #[derive(Copy, Clone)]
 struct EvilSend<T>(pub T);
 

src/tools/tidy/src/ui_tests.rs

@@ -13,8 +13,9 @@ use std::path::{Path, PathBuf};
 // desirable, because large numbers of files are unwieldy in general. See issue
 // #73494.
 const ENTRY_LIMIT: usize = 900;
-const ISSUES_ENTRY_LIMIT: usize = 1807;
-const ROOT_ENTRY_LIMIT: usize = 868;
+// FIXME: The following limits should be reduced eventually.
+const ISSUES_ENTRY_LIMIT: usize = 1819;
+const ROOT_ENTRY_LIMIT: usize = 870;
 
 const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[
     "rs",     // test source files

tests/codegen-units/item-collection/instantiation-through-vtable.rs

@@ -26,7 +26,9 @@ fn start(_: isize, _: *const *const u8) -> isize {
     //~ MONO_ITEM fn std::ptr::drop_in_place::<Struct<u32>> - shim(None) @@ instantiation_through_vtable-cgu.0[Internal]
     //~ MONO_ITEM fn <Struct<u32> as Trait>::foo
     //~ MONO_ITEM fn <Struct<u32> as Trait>::bar
-    let _ = &s1 as &Trait;
+    let r1 = &s1 as &Trait;
+    r1.foo();
+    r1.bar();
 
     let s1 = Struct { _a: 0u64 };
     //~ MONO_ITEM fn std::ptr::drop_in_place::<Struct<u64>> - shim(None) @@ instantiation_through_vtable-cgu.0[Internal]