Auto merge of rust-lang#134026 - workingjubilee:rollup-4r2ihhs, r=<try>

[TEST] Rollup of 5 pull requests

Successful merges:

 - rust-lang#133987 (Define acronym for thread local storage)
 - rust-lang#133992 (Actually walk into lifetimes and attrs in `EarlyContextAndPass`)
 - rust-lang#133993 (Fix: typo in E0751 error explanation)
 - rust-lang#133996 (Move most tests for `-l` and `#[link(..)]` into `tests/ui/link-native-libs`)
 - rust-lang#134020 (Remove unnecessary `int_type_width_signed` function)

try-job: i686-mingw

r? `@ghost`
`@rustbot` modify labels: rollup

compiler/rustc_codegen_llvm/src/intrinsic.rs

@@ -352,84 +352,84 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
             | sym::saturating_add
             | sym::saturating_sub => {
                 let ty = arg_tys[0];
-                match int_type_width_signed(ty, self) {
-                    Some((width, signed)) => match name {
-                        sym::ctlz | sym::cttz => {
-                            let y = self.const_bool(false);
-                            let ret = self.call_intrinsic(&format!("llvm.{name}.i{width}"), &[
-                                args[0].immediate(),
-                                y,
-                            ]);
-
-                            self.intcast(ret, llret_ty, false)
-                        }
-                        sym::ctlz_nonzero => {
-                            let y = self.const_bool(true);
-                            let llvm_name = &format!("llvm.ctlz.i{width}");
-                            let ret = self.call_intrinsic(llvm_name, &[args[0].immediate(), y]);
-                            self.intcast(ret, llret_ty, false)
-                        }
-                        sym::cttz_nonzero => {
-                            let y = self.const_bool(true);
-                            let llvm_name = &format!("llvm.cttz.i{width}");
-                            let ret = self.call_intrinsic(llvm_name, &[args[0].immediate(), y]);
-                            self.intcast(ret, llret_ty, false)
-                        }
-                        sym::ctpop => {
-                            let ret = self.call_intrinsic(&format!("llvm.ctpop.i{width}"), &[args
-                                [0]
-                            .immediate()]);
-                            self.intcast(ret, llret_ty, false)
-                        }
-                        sym::bswap => {
-                            if width == 8 {
-                                args[0].immediate() // byte swap a u8/i8 is just a no-op
-                            } else {
-                                self.call_intrinsic(&format!("llvm.bswap.i{width}"), &[
-                                    args[0].immediate()
-                                ])
-                            }
-                        }
-                        sym::bitreverse => self
-                            .call_intrinsic(&format!("llvm.bitreverse.i{width}"), &[
+                if !ty.is_integral() {
+                    tcx.dcx().emit_err(InvalidMonomorphization::BasicIntegerType {
+                        span,
+                        name,
+                        ty,
+                    });
+                    return Ok(());
+                }
+                let (size, signed) = ty.int_size_and_signed(self.tcx);
+                let width = size.bits();
+                match name {
+                    sym::ctlz | sym::cttz => {
+                        let y = self.const_bool(false);
+                        let ret = self.call_intrinsic(&format!("llvm.{name}.i{width}"), &[
+                            args[0].immediate(),
+                            y,
+                        ]);
+
+                        self.intcast(ret, llret_ty, false)
+                    }
+                    sym::ctlz_nonzero => {
+                        let y = self.const_bool(true);
+                        let llvm_name = &format!("llvm.ctlz.i{width}");
+                        let ret = self.call_intrinsic(llvm_name, &[args[0].immediate(), y]);
+                        self.intcast(ret, llret_ty, false)
+                    }
+                    sym::cttz_nonzero => {
+                        let y = self.const_bool(true);
+                        let llvm_name = &format!("llvm.cttz.i{width}");
+                        let ret = self.call_intrinsic(llvm_name, &[args[0].immediate(), y]);
+                        self.intcast(ret, llret_ty, false)
+                    }
+                    sym::ctpop => {
+                        let ret = self.call_intrinsic(&format!("llvm.ctpop.i{width}"), &[
+                            args[0].immediate()
+                        ]);
+                        self.intcast(ret, llret_ty, false)
+                    }
+                    sym::bswap => {
+                        if width == 8 {
+                            args[0].immediate() // byte swap a u8/i8 is just a no-op
+                        } else {
+                            self.call_intrinsic(&format!("llvm.bswap.i{width}"), &[
                                 args[0].immediate()
-                            ]),
-                        sym::rotate_left | sym::rotate_right => {
-                            let is_left = name == sym::rotate_left;
-                            let val = args[0].immediate();
-                            let raw_shift = args[1].immediate();
-                            // rotate = funnel shift with first two args the same
-                            let llvm_name =
-                                &format!("llvm.fsh{}.i{}", if is_left { 'l' } else { 'r' }, width);
-
-                            // llvm expects shift to be the same type as the values, but rust
-                            // always uses `u32`.
-                            let raw_shift = self.intcast(raw_shift, self.val_ty(val), false);
-
-                            self.call_intrinsic(llvm_name, &[val, val, raw_shift])
+                            ])
                         }
-                        sym::saturating_add | sym::saturating_sub => {
-                            let is_add = name == sym::saturating_add;
-                            let lhs = args[0].immediate();
-                            let rhs = args[1].immediate();
-                            let llvm_name = &format!(
-                                "llvm.{}{}.sat.i{}",
-                                if signed { 's' } else { 'u' },
-                                if is_add { "add" } else { "sub" },
-                                width
-                            );
-                            self.call_intrinsic(llvm_name, &[lhs, rhs])
-                        }
-                        _ => bug!(),
-                    },
-                    None => {
-                        tcx.dcx().emit_err(InvalidMonomorphization::BasicIntegerType {
-                            span,
-                            name,
-                            ty,
-                        });
-                        return Ok(());
                     }
+                    sym::bitreverse => self
+                        .call_intrinsic(&format!("llvm.bitreverse.i{width}"), &[
+                            args[0].immediate()
+                        ]),
+                    sym::rotate_left | sym::rotate_right => {
+                        let is_left = name == sym::rotate_left;
+                        let val = args[0].immediate();
+                        let raw_shift = args[1].immediate();
+                        // rotate = funnel shift with first two args the same
+                        let llvm_name =
+                            &format!("llvm.fsh{}.i{}", if is_left { 'l' } else { 'r' }, width);
+
+                        // llvm expects shift to be the same type as the values, but rust
+                        // always uses `u32`.
+                        let raw_shift = self.intcast(raw_shift, self.val_ty(val), false);
+
+                        self.call_intrinsic(llvm_name, &[val, val, raw_shift])
+                    }
+                    sym::saturating_add | sym::saturating_sub => {
+                        let is_add = name == sym::saturating_add;
+                        let lhs = args[0].immediate();
+                        let rhs = args[1].immediate();
+                        let llvm_name = &format!(
+                            "llvm.{}{}.sat.i{}",
+                            if signed { 's' } else { 'u' },
+                            if is_add { "add" } else { "sub" },
+                            width
+                        );
+                        self.call_intrinsic(llvm_name, &[lhs, rhs])
+                    }
+                    _ => bug!(),
                 }
             }
 
@@ -2531,19 +2531,3 @@ fn generic_simd_intrinsic<'ll, 'tcx>(
 
     span_bug!(span, "unknown SIMD intrinsic");
 }
-
-// Returns the width of an int Ty, and if it's signed or not
-// Returns None if the type is not an integer
-// FIXME: there’s multiple of this functions, investigate using some of the already existing
-// stuffs.
-fn int_type_width_signed(ty: Ty<'_>, cx: &CodegenCx<'_, '_>) -> Option<(u64, bool)> {
-    match ty.kind() {
-        ty::Int(t) => {
-            Some((t.bit_width().unwrap_or(u64::from(cx.tcx.sess.target.pointer_width)), true))
-        }
-        ty::Uint(t) => {
-            Some((t.bit_width().unwrap_or(u64::from(cx.tcx.sess.target.pointer_width)), false))
-        }
-        _ => None,
-    }
-}

compiler/rustc_error_codes/src/error_codes/E0751.md

@@ -9,4 +9,4 @@ impl !MyTrait for i32 { } // error!
 ```
 
 Negative implementations are a promise that the trait will never be implemented
-for the given types. Therefore, both cannot exists at the same time.
+for the given types. Therefore, both cannot exist at the same time.

compiler/rustc_lint/src/early.rs

@@ -245,6 +245,7 @@ impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T>
 
     fn visit_lifetime(&mut self, lt: &'a ast::Lifetime, _: ast_visit::LifetimeCtxt) {
         self.check_id(lt.id);
+        ast_visit::walk_lifetime(self, lt);
     }
 
     fn visit_path(&mut self, p: &'a ast::Path, id: ast::NodeId) {
@@ -259,6 +260,7 @@ impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T>
 
     fn visit_attribute(&mut self, attr: &'a ast::Attribute) {
         lint_callback!(self, check_attribute, attr);
+        ast_visit::walk_attribute(self, attr);
     }
 
     fn visit_mac_def(&mut self, mac: &'a ast::MacroDef, id: ast::NodeId) {

compiler/rustc_lint/src/hidden_unicode_codepoints.rs

@@ -9,6 +9,7 @@ use crate::lints::{
 use crate::{EarlyContext, EarlyLintPass, LintContext};
 
 declare_lint! {
+    #[allow(text_direction_codepoint_in_literal)]
     /// The `text_direction_codepoint_in_literal` lint detects Unicode codepoints that change the
     /// visual representation of text on screen in a way that does not correspond to their on
     /// memory representation.

compiler/rustc_lint_defs/src/builtin.rs

@@ -3929,6 +3929,7 @@ declare_lint! {
 }
 
 declare_lint! {
+    #[allow(text_direction_codepoint_in_literal)]
     /// The `text_direction_codepoint_in_comment` lint detects Unicode codepoints in comments that
     /// change the visual representation of text on screen in a way that does not correspond to
     /// their on memory representation.

library/std/src/thread/local.rs

@@ -12,7 +12,7 @@ use crate::cell::{Cell, RefCell};
 use crate::error::Error;
 use crate::fmt;
 
-/// A thread local storage key which owns its contents.
+/// A thread local storage (TLS) key which owns its contents.
 ///
 /// This key uses the fastest possible implementation available to it for the
 /// target platform. It is instantiated with the [`thread_local!`] macro and the

src/tools/tidy/src/issues.txt

@@ -2295,8 +2295,6 @@ ui/issues/issue-43853.rs
 ui/issues/issue-4387.rs
 ui/issues/issue-43910.rs
 ui/issues/issue-43923.rs
-ui/issues/issue-43925.rs
-ui/issues/issue-43926.rs
 ui/issues/issue-43988.rs
 ui/issues/issue-44023.rs
 ui/issues/issue-44056.rs
@@ -2545,8 +2543,6 @@ ui/issues/issue-6936.rs
 ui/issues/issue-69455.rs
 ui/issues/issue-69602-type-err-during-codegen-ice.rs
 ui/issues/issue-69683.rs
-ui/issues/issue-70093/issue-70093-link-directives.rs
-ui/issues/issue-70093/issue-70093.rs
 ui/issues/issue-7012.rs
 ui/issues/issue-70381.rs
 ui/issues/issue-7044.rs
@@ -2711,11 +2707,15 @@ ui/limits/issue-17913.rs
 ui/limits/issue-55878.rs
 ui/limits/issue-69485-var-size-diffs-too-large.rs
 ui/limits/issue-75158-64.rs
+ui/link-native-libs/issue-109144.rs
+ui/link-native-libs/issue-43925.rs
+ui/link-native-libs/issue-43926.rs
+ui/link-native-libs/issue-70093/issue-70093-link-directives.rs
+ui/link-native-libs/issue-70093/issue-70093.rs
 ui/linkage-attr/auxiliary/issue-12133-dylib.rs
 ui/linkage-attr/auxiliary/issue-12133-dylib2.rs
 ui/linkage-attr/auxiliary/issue-12133-rlib.rs
 ui/linkage-attr/issue-10755.rs
-ui/linkage-attr/issue-109144.rs
 ui/linkage-attr/issue-12133-1.rs
 ui/linkage-attr/issue-12133-2.rs
 ui/linkage-attr/issue-12133-3.rs

src/tools/tidy/src/ui_tests.rs

@@ -17,7 +17,7 @@ use ignore::Walk;
 const ENTRY_LIMIT: u32 = 901;
 // FIXME: The following limits should be reduced eventually.
 
-const ISSUES_ENTRY_LIMIT: u32 = 1672;
+const ISSUES_ENTRY_LIMIT: u32 = 1667;
 
 const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[
     "rs",     // test source files

tests/ui/rust-2024/gen-kw.e2015.stderr

@@ -34,11 +34,47 @@ LL |     () => { mod test { fn gen() {} } }
 error: `gen` is a keyword in the 2024 edition
   --> $DIR/gen-kw.rs:25:9
    |
-LL | fn test<'gen>() {}
+LL | fn test<'gen>(_: &'gen i32) {}
    |         ^^^^ help: you can use a raw identifier to stay compatible: `'r#gen`
    |
    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
-error: aborting due to 4 previous errors
+error: `gen` is a keyword in the 2024 edition
+  --> $DIR/gen-kw.rs:25:19
+   |
+LL | fn test<'gen>(_: &'gen i32) {}
+   |                   ^^^^ help: you can use a raw identifier to stay compatible: `'r#gen`
+   |
+   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
+   = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
+
+error: `gen` is a keyword in the 2024 edition
+  --> $DIR/gen-kw.rs:33:13
+   |
+LL | struct Test<'gen>(Box<Test<'gen>>, &'gen ());
+   |             ^^^^ help: you can use a raw identifier to stay compatible: `'r#gen`
+   |
+   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
+   = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
+
+error: `gen` is a keyword in the 2024 edition
+  --> $DIR/gen-kw.rs:33:28
+   |
+LL | struct Test<'gen>(Box<Test<'gen>>, &'gen ());
+   |                            ^^^^ help: you can use a raw identifier to stay compatible: `'r#gen`
+   |
+   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
+   = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
+
+error: `gen` is a keyword in the 2024 edition
+  --> $DIR/gen-kw.rs:33:37
+   |
+LL | struct Test<'gen>(Box<Test<'gen>>, &'gen ());
+   |                                     ^^^^ help: you can use a raw identifier to stay compatible: `'r#gen`
+   |
+   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
+   = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
+
+error: aborting due to 8 previous errors
 

tests/ui/rust-2024/gen-kw.e2018.stderr

@@ -34,11 +34,47 @@ LL |     () => { mod test { fn gen() {} } }
 error: `gen` is a keyword in the 2024 edition
   --> $DIR/gen-kw.rs:25:9
    |
-LL | fn test<'gen>() {}
+LL | fn test<'gen>(_: &'gen i32) {}
    |         ^^^^ help: you can use a raw identifier to stay compatible: `'r#gen`
    |
    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2024!
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
-error: aborting due to 4 previous errors
+error: `gen` is a keyword in the 2024 edition
+  --> $DIR/gen-kw.rs:25:19
+   |
+LL | fn test<'gen>(_: &'gen i32) {}
+   |                   ^^^^ help: you can use a raw identifier to stay compatible: `'r#gen`
+   |
+   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2024!
+   = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
+
+error: `gen` is a keyword in the 2024 edition
+  --> $DIR/gen-kw.rs:33:13
+   |
+LL | struct Test<'gen>(Box<Test<'gen>>, &'gen ());
+   |             ^^^^ help: you can use a raw identifier to stay compatible: `'r#gen`
+   |
+   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2024!
+   = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
+
+error: `gen` is a keyword in the 2024 edition
+  --> $DIR/gen-kw.rs:33:28
+   |
+LL | struct Test<'gen>(Box<Test<'gen>>, &'gen ());
+   |                            ^^^^ help: you can use a raw identifier to stay compatible: `'r#gen`
+   |
+   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2024!
+   = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
+
+error: `gen` is a keyword in the 2024 edition
+  --> $DIR/gen-kw.rs:33:37
+   |
+LL | struct Test<'gen>(Box<Test<'gen>>, &'gen ());
+   |                                     ^^^^ help: you can use a raw identifier to stay compatible: `'r#gen`
+   |
+   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2024!
+   = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
+
+error: aborting due to 8 previous errors
 

tests/ui/rust-2024/gen-kw.rs

@@ -22,9 +22,23 @@ macro_rules! t {
     //[e2018]~| WARNING this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2024!
 }
 
-fn test<'gen>() {}
+fn test<'gen>(_: &'gen i32) {}
 //~^ ERROR `gen` is a keyword in the 2024 edition
+//~| ERROR `gen` is a keyword in the 2024 edition
 //[e2015]~| WARNING this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
+//[e2015]~| WARNING this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
+//[e2018]~| WARNING this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2024!
+//[e2018]~| WARNING this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2024!
+
+struct Test<'gen>(Box<Test<'gen>>, &'gen ());
+//~^ ERROR `gen` is a keyword in the 2024 edition
+//~| ERROR `gen` is a keyword in the 2024 edition
+//~| ERROR `gen` is a keyword in the 2024 edition
+//[e2015]~| WARNING this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
+//[e2015]~| WARNING this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
+//[e2015]~| WARNING this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
+//[e2018]~| WARNING this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2024!
+//[e2018]~| WARNING this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2024!
 //[e2018]~| WARNING this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2024!
 
 t!();