Rollup of 12 pull requests

compiler/rustc_codegen_cranelift/patches/0029-stdlib-Disable-f16-and-f128-in-compiler-builtins.patch

@@ -16,8 +16,8 @@ index 7165c3e48af..968552ad435 100644
 
  [dependencies]
  core = { path = "../core" }
--compiler_builtins = { version = "=0.1.143", features = ['rustc-dep-of-std'] }
-+compiler_builtins = { version = "=0.1.143", features = ['rustc-dep-of-std', 'no-f16-f128'] }
+-compiler_builtins = { version = "=0.1.145", features = ['rustc-dep-of-std'] }
++compiler_builtins = { version = "=0.1.145", features = ['rustc-dep-of-std', 'no-f16-f128'] }
 
  [dev-dependencies]
  rand = { version = "0.8.5", default-features = false, features = ["alloc"] }

compiler/rustc_codegen_gcc/src/abi.rs

@@ -8,7 +8,7 @@ use rustc_middle::ty::Ty;
 use rustc_middle::ty::layout::LayoutOf;
 #[cfg(feature = "master")]
 use rustc_session::config;
-use rustc_target::abi::call::{ArgAttributes, CastTarget, FnAbi, PassMode, Reg, RegKind};
+use rustc_target::callconv::{ArgAttributes, CastTarget, FnAbi, PassMode, Reg, RegKind};
 
 use crate::builder::Builder;
 use crate::context::CodegenCx;
@@ -132,10 +132,10 @@ impl<'gcc, 'tcx> FnAbiGccExt<'gcc, 'tcx> for FnAbi<'tcx, Ty<'tcx>> {
             if cx.sess().opts.optimize == config::OptLevel::No {
                 return ty;
             }
-            if attrs.regular.contains(rustc_target::abi::call::ArgAttribute::NoAlias) {
+            if attrs.regular.contains(rustc_target::callconv::ArgAttribute::NoAlias) {
                 ty = ty.make_restrict()
             }
-            if attrs.regular.contains(rustc_target::abi::call::ArgAttribute::NonNull) {
+            if attrs.regular.contains(rustc_target::callconv::ArgAttribute::NonNull) {
                 non_null_args.push(arg_index as i32 + 1);
             }
             ty

compiler/rustc_codegen_gcc/src/builder.rs

@@ -29,7 +29,7 @@ use rustc_middle::ty::layout::{
 use rustc_middle::ty::{self, Instance, Ty, TyCtxt};
 use rustc_span::Span;
 use rustc_span::def_id::DefId;
-use rustc_target::abi::call::FnAbi;
+use rustc_target::callconv::FnAbi;
 use rustc_target::spec::{HasTargetSpec, HasWasmCAbiOpt, HasX86AbiOpt, Target, WasmCAbi, X86Abi};
 
 use crate::common::{SignType, TypeReflection, type_is_pointer};

compiler/rustc_codegen_gcc/src/consts.rs

@@ -1,6 +1,7 @@
 #[cfg(feature = "master")]
 use gccjit::{FnAttribute, VarAttribute, Visibility};
 use gccjit::{Function, GlobalKind, LValue, RValue, ToRValue, Type};
+use rustc_abi::{self as abi, Align, HasDataLayout, Primitive, Size, WrappingRange};
 use rustc_codegen_ssa::traits::{
     BaseTypeCodegenMethods, ConstCodegenMethods, StaticCodegenMethods,
 };
@@ -14,7 +15,6 @@ use rustc_middle::ty::layout::LayoutOf;
 use rustc_middle::ty::{self, Instance};
 use rustc_middle::{bug, span_bug};
 use rustc_span::def_id::DefId;
-use rustc_target::abi::{self, Align, HasDataLayout, Primitive, Size, WrappingRange};
 
 use crate::base;
 use crate::context::CodegenCx;

compiler/rustc_codegen_gcc/src/context.rs

@@ -3,6 +3,7 @@ use std::cell::{Cell, RefCell};
 use gccjit::{
     Block, CType, Context, Function, FunctionPtrType, FunctionType, LValue, Location, RValue, Type,
 };
+use rustc_abi::{HasDataLayout, PointeeInfo, Size, TargetDataLayout, VariantIdx};
 use rustc_codegen_ssa::base::wants_msvc_seh;
 use rustc_codegen_ssa::errors as ssa_errors;
 use rustc_codegen_ssa::traits::{BackendTypes, BaseTypeCodegenMethods, MiscCodegenMethods};
@@ -18,7 +19,6 @@ use rustc_middle::ty::{self, ExistentialTraitRef, Instance, Ty, TyCtxt};
 use rustc_session::Session;
 use rustc_span::source_map::respan;
 use rustc_span::{DUMMY_SP, Span};
-use rustc_target::abi::{HasDataLayout, PointeeInfo, Size, TargetDataLayout, VariantIdx};
 use rustc_target::spec::{
     HasTargetSpec, HasWasmCAbiOpt, HasX86AbiOpt, Target, TlsModel, WasmCAbi, X86Abi,
 };

compiler/rustc_codegen_gcc/src/debuginfo.rs

@@ -1,6 +1,7 @@
 use std::ops::Range;
 
 use gccjit::{Location, RValue};
+use rustc_abi::Size;
 use rustc_codegen_ssa::mir::debuginfo::{DebugScope, FunctionDebugContext, VariableKind};
 use rustc_codegen_ssa::traits::{DebugInfoBuilderMethods, DebugInfoCodegenMethods};
 use rustc_data_structures::sync::Lrc;
@@ -10,8 +11,7 @@ use rustc_middle::mir::{self, Body, SourceScope};
 use rustc_middle::ty::{ExistentialTraitRef, Instance, Ty};
 use rustc_session::config::DebugInfo;
 use rustc_span::{BytePos, Pos, SourceFile, SourceFileAndLine, Span, Symbol};
-use rustc_target::abi::Size;
-use rustc_target::abi::call::FnAbi;
+use rustc_target::callconv::FnAbi;
 
 use crate::builder::Builder;
 use crate::context::CodegenCx;

compiler/rustc_codegen_gcc/src/declare.rs

@@ -4,7 +4,7 @@ use gccjit::{Function, FunctionType, GlobalKind, LValue, RValue, Type};
 use rustc_codegen_ssa::traits::BaseTypeCodegenMethods;
 use rustc_middle::ty::Ty;
 use rustc_span::Symbol;
-use rustc_target::abi::call::FnAbi;
+use rustc_target::callconv::FnAbi;
 
 use crate::abi::{FnAbiGcc, FnAbiGccExt};
 use crate::context::CodegenCx;

compiler/rustc_codegen_gcc/src/int.rs

@@ -3,12 +3,11 @@
 //! 128-bit integers on 32-bit platforms and thus require to be handled manually.
 
 use gccjit::{BinaryOp, ComparisonOp, FunctionType, Location, RValue, ToRValue, Type, UnaryOp};
+use rustc_abi::{Endian, ExternAbi};
 use rustc_codegen_ssa::common::{IntPredicate, TypeKind};
 use rustc_codegen_ssa::traits::{BackendTypes, BaseTypeCodegenMethods, BuilderMethods, OverflowOp};
 use rustc_middle::ty::{self, Ty};
-use rustc_target::abi::Endian;
-use rustc_target::abi::call::{ArgAbi, ArgAttributes, Conv, FnAbi, PassMode};
-use rustc_target::spec;
+use rustc_target::callconv::{ArgAbi, ArgAttributes, Conv, FnAbi, PassMode};
 
 use crate::builder::{Builder, ToGccComp};
 use crate::common::{SignType, TypeReflection};
@@ -401,7 +400,7 @@ impl<'a, 'gcc, 'tcx> Builder<'a, 'gcc, 'tcx> {
             conv: Conv::C,
             can_unwind: false,
         };
-        fn_abi.adjust_for_foreign_abi(self.cx, spec::abi::Abi::C { unwind: false }).unwrap();
+        fn_abi.adjust_for_foreign_abi(self.cx, ExternAbi::C { unwind: false }).unwrap();
 
         let ret_indirect = matches!(fn_abi.ret.mode, PassMode::Indirect { .. });
 

compiler/rustc_codegen_gcc/src/intrinsic/mod.rs

@@ -7,6 +7,9 @@ use std::iter;
 #[cfg(feature = "master")]
 use gccjit::FunctionType;
 use gccjit::{ComparisonOp, Function, RValue, ToRValue, Type, UnaryOp};
+#[cfg(feature = "master")]
+use rustc_abi::ExternAbi;
+use rustc_abi::HasDataLayout;
 use rustc_codegen_ssa::MemFlags;
 use rustc_codegen_ssa::base::wants_msvc_seh;
 use rustc_codegen_ssa::common::IntPredicate;
@@ -25,11 +28,8 @@ use rustc_middle::ty::layout::{FnAbiOf, HasTyCtxt};
 use rustc_middle::ty::layout::{HasTypingEnv, LayoutOf};
 use rustc_middle::ty::{self, Instance, Ty};
 use rustc_span::{Span, Symbol, sym};
-use rustc_target::abi::HasDataLayout;
-use rustc_target::abi::call::{ArgAbi, FnAbi, PassMode};
+use rustc_target::callconv::{ArgAbi, FnAbi, PassMode};
 use rustc_target::spec::PanicStrategy;
-#[cfg(feature = "master")]
-use rustc_target::spec::abi::Abi;
 
 #[cfg(feature = "master")]
 use crate::abi::FnAbiGccExt;
@@ -1238,7 +1238,7 @@ fn get_rust_try_fn<'a, 'gcc, 'tcx>(
             tcx.types.unit,
             false,
             rustc_hir::Safety::Unsafe,
-            Abi::Rust,
+            ExternAbi::Rust,
         )),
     );
     // `unsafe fn(*mut i8, *mut i8) -> ()`
@@ -1249,7 +1249,7 @@ fn get_rust_try_fn<'a, 'gcc, 'tcx>(
             tcx.types.unit,
             false,
             rustc_hir::Safety::Unsafe,
-            Abi::Rust,
+            ExternAbi::Rust,
         )),
     );
     // `unsafe fn(unsafe fn(*mut i8) -> (), *mut i8, unsafe fn(*mut i8, *mut i8) -> ()) -> i32`
@@ -1258,7 +1258,7 @@ fn get_rust_try_fn<'a, 'gcc, 'tcx>(
         tcx.types.i32,
         false,
         rustc_hir::Safety::Unsafe,
-        Abi::Rust,
+        ExternAbi::Rust,
     ));
     let rust_try = gen_fn(cx, "__rust_try", rust_fn_sig, codegen);
     cx.rust_try_fn.set(Some(rust_try));

compiler/rustc_codegen_gcc/src/intrinsic/simd.rs

@@ -3,6 +3,7 @@ use std::iter::FromIterator;
 use gccjit::{BinaryOp, RValue, ToRValue, Type};
 #[cfg(feature = "master")]
 use gccjit::{ComparisonOp, UnaryOp};
+use rustc_abi::{Align, Size};
 use rustc_codegen_ssa::base::compare_simd_types;
 use rustc_codegen_ssa::common::{IntPredicate, TypeKind};
 #[cfg(feature = "master")]
@@ -17,7 +18,6 @@ use rustc_middle::mir::BinOp;
 use rustc_middle::ty::layout::HasTyCtxt;
 use rustc_middle::ty::{self, Ty};
 use rustc_span::{Span, Symbol, sym};
-use rustc_target::abi::{Align, Size};
 
 use crate::builder::Builder;
 #[cfg(not(feature = "master"))]

compiler/rustc_codegen_gcc/src/type_.rs

@@ -4,13 +4,13 @@ use std::convert::TryInto;
 #[cfg(feature = "master")]
 use gccjit::CType;
 use gccjit::{RValue, Struct, Type};
+use rustc_abi::{AddressSpace, Align, Integer, Size};
 use rustc_codegen_ssa::common::TypeKind;
 use rustc_codegen_ssa::traits::{
     BaseTypeCodegenMethods, DerivedTypeCodegenMethods, TypeMembershipCodegenMethods,
 };
 use rustc_middle::ty::layout::TyAndLayout;
 use rustc_middle::{bug, ty};
-use rustc_target::abi::{AddressSpace, Align, Integer, Size};
 
 use crate::common::TypeReflection;
 use crate::context::CodegenCx;

compiler/rustc_codegen_gcc/src/type_of.rs

@@ -3,16 +3,17 @@ use std::fmt::Write;
 use gccjit::{Struct, Type};
 use rustc_abi as abi;
 use rustc_abi::Primitive::*;
-use rustc_abi::{BackendRepr, FieldsShape, Integer, PointeeInfo, Size, Variants};
+use rustc_abi::{
+    BackendRepr, FieldsShape, Integer, PointeeInfo, Reg, Size, TyAbiInterface, Variants,
+};
 use rustc_codegen_ssa::traits::{
     BaseTypeCodegenMethods, DerivedTypeCodegenMethods, LayoutTypeCodegenMethods,
 };
 use rustc_middle::bug;
 use rustc_middle::ty::layout::{LayoutOf, TyAndLayout};
 use rustc_middle::ty::print::with_no_trimmed_paths;
 use rustc_middle::ty::{self, CoroutineArgsExt, Ty, TypeVisitableExt};
-use rustc_target::abi::TyAbiInterface;
-use rustc_target::abi::call::{CastTarget, FnAbi, Reg};
+use rustc_target::callconv::{CastTarget, FnAbi};
 
 use crate::abi::{FnAbiGcc, FnAbiGccExt, GccType};
 use crate::context::CodegenCx;

compiler/rustc_hir_typeck/src/cast.rs

@@ -831,7 +831,7 @@ impl<'a, 'tcx> CastCheck<'tcx> {
 
             // prim -> prim
             (Int(CEnum), Int(_)) => {
-                self.cenum_impl_drop_lint(fcx);
+                self.err_if_cenum_impl_drop(fcx);
                 Ok(CastKind::EnumCast)
             }
             (Int(Char) | Int(Bool), Int(_)) => Ok(CastKind::PrimIntCast),
@@ -1091,19 +1091,14 @@ impl<'a, 'tcx> CastCheck<'tcx> {
         }
     }
 
-    fn cenum_impl_drop_lint(&self, fcx: &FnCtxt<'a, 'tcx>) {
+    fn err_if_cenum_impl_drop(&self, fcx: &FnCtxt<'a, 'tcx>) {
         if let ty::Adt(d, _) = self.expr_ty.kind()
             && d.has_dtor(fcx.tcx)
         {
             let expr_ty = fcx.resolve_vars_if_possible(self.expr_ty);
             let cast_ty = fcx.resolve_vars_if_possible(self.cast_ty);
 
-            fcx.tcx.emit_node_span_lint(
-                lint::builtin::CENUM_IMPL_DROP_CAST,
-                self.expr.hir_id,
-                self.span,
-                errors::CastEnumDrop { expr_ty, cast_ty },
-            );
+            fcx.dcx().emit_err(errors::CastEnumDrop { span: self.span, expr_ty, cast_ty });
         }
     }
 

compiler/rustc_hir_typeck/src/errors.rs

@@ -677,9 +677,11 @@ pub(crate) struct CannotCastToBool<'tcx> {
     pub help: CannotCastToBoolHelp,
 }
 
-#[derive(LintDiagnostic)]
+#[derive(Diagnostic)]
 #[diag(hir_typeck_cast_enum_drop)]
 pub(crate) struct CastEnumDrop<'tcx> {
+    #[primary_span]
+    pub span: Span,
     pub expr_ty: Ty<'tcx>,
     pub cast_ty: Ty<'tcx>,
 }

compiler/rustc_hir_typeck/src/pat.rs

@@ -570,8 +570,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
 
     fn check_pat_expr_unadjusted(&self, lt: &'tcx hir::PatExpr<'tcx>) -> Ty<'tcx> {
         let ty = match &lt.kind {
-            rustc_hir::PatExprKind::Lit { lit, .. } => {
-                self.check_expr_lit(lit, Expectation::NoExpectation)
+            rustc_hir::PatExprKind::Lit { lit, negated } => {
+                let ty = self.check_expr_lit(lit, Expectation::NoExpectation);
+                if *negated {
+                    self.register_bound(
+                        ty,
+                        self.tcx.require_lang_item(LangItem::Neg, Some(lt.span)),
+                        ObligationCause::dummy_with_span(lt.span),
+                    );
+                }
+                ty
             }
             rustc_hir::PatExprKind::ConstBlock(c) => {
                 self.check_expr_const_block(c, Expectation::NoExpectation)

compiler/rustc_lint/src/lib.rs

@@ -595,6 +595,11 @@ fn register_builtins(store: &mut LintStore) {
          <https://github.com/rust-lang/rust/pull/125380> for more information",
     );
     store.register_removed("unsupported_calling_conventions", "converted into hard error");
+    store.register_removed(
+        "cenum_impl_drop_cast",
+        "converted into hard error, \
+         see <https://github.com/rust-lang/rust/issues/73333> for more information",
+    );
 }
 
 fn register_internals(store: &mut LintStore) {

compiler/rustc_lint_defs/src/builtin.rs

@@ -27,7 +27,6 @@ declare_lint_pass! {
         BARE_TRAIT_OBJECTS,
         BINDINGS_WITH_VARIANT_NAME,
         BREAK_WITH_LABEL_AND_LOOP,
-        CENUM_IMPL_DROP_CAST,
         COHERENCE_LEAK_CHECK,
         CONFLICTING_REPR_HINTS,
         CONST_EVALUATABLE_UNCHECKED,
@@ -2612,58 +2611,6 @@ declare_lint! {
     @edition Edition2024 => Warn;
 }
 
-declare_lint! {
-    /// The `cenum_impl_drop_cast` lint detects an `as` cast of a field-less
-    /// `enum` that implements [`Drop`].
-    ///
-    /// [`Drop`]: https://doc.rust-lang.org/std/ops/trait.Drop.html
-    ///
-    /// ### Example
-    ///
-    /// ```rust,compile_fail
-    /// # #![allow(unused)]
-    /// enum E {
-    ///     A,
-    /// }
-    ///
-    /// impl Drop for E {
-    ///     fn drop(&mut self) {
-    ///         println!("Drop");
-    ///     }
-    /// }
-    ///
-    /// fn main() {
-    ///     let e = E::A;
-    ///     let i = e as u32;
-    /// }
-    /// ```
-    ///
-    /// {{produces}}
-    ///
-    /// ### Explanation
-    ///
-    /// Casting a field-less `enum` that does not implement [`Copy`] to an
-    /// integer moves the value without calling `drop`. This can result in
-    /// surprising behavior if it was expected that `drop` should be called.
-    /// Calling `drop` automatically would be inconsistent with other move
-    /// operations. Since neither behavior is clear or consistent, it was
-    /// decided that a cast of this nature will no longer be allowed.
-    ///
-    /// This is a [future-incompatible] lint to transition this to a hard error
-    /// in the future. See [issue #73333] for more details.
-    ///
-    /// [future-incompatible]: ../index.md#future-incompatible-lints
-    /// [issue #73333]: https://github.com/rust-lang/rust/issues/73333
-    /// [`Copy`]: https://doc.rust-lang.org/std/marker/trait.Copy.html
-    pub CENUM_IMPL_DROP_CAST,
-    Deny,
-    "a C-like enum implementing Drop is cast",
-    @future_incompatible = FutureIncompatibleInfo {
-        reason: FutureIncompatibilityReason::FutureReleaseErrorReportInDeps,
-        reference: "issue #73333 <https://github.com/rust-lang/rust/issues/73333>",
-    };
-}
-
 declare_lint! {
     /// The `fuzzy_provenance_casts` lint detects an `as` cast between an integer
     /// and a pointer.

compiler/rustc_target/src/spec/targets/powerpc_unknown_linux_gnu.rs

@@ -18,6 +18,11 @@ pub(crate) fn target() -> Target {
         pointer_width: 32,
         data_layout: "E-m:e-p:32:32-Fn32-i64:64-n32".into(),
         arch: "powerpc".into(),
-        options: TargetOptions { endian: Endian::Big, mcount: "_mcount".into(), ..base },
+        options: TargetOptions {
+            endian: Endian::Big,
+            features: "+secure-plt".into(),
+            mcount: "_mcount".into(),
+            ..base
+        },
     }
 }

compiler/rustc_target/src/spec/targets/powerpc_unknown_linux_gnuspe.rs

@@ -21,6 +21,7 @@ pub(crate) fn target() -> Target {
         options: TargetOptions {
             abi: "spe".into(),
             endian: Endian::Big,
+            features: "+secure-plt".into(),
             mcount: "_mcount".into(),
             ..base
         },