Merge upstream (dummy), "Rust front-end update 2023-04-05"

In #2112 'Merge upstream, last commit before "Rust front-end update 2023-04-05"'
we merged commit 939fb3fffebf7be2638ddef25dbe1c15f2aaa9d6 from upstream GCC
master branch.

This one now merges the "Rust front-end update 2023-04-05", commits
939fb3fffebf7be2638ddef25dbe1c15f2aaa9d6..d2a499a9881c7c079d2a722b57c7fcf022a864dd:

      - f66b135d0b5 gccrs: fatal_error_flag: Fix typo in error message
      - 776ff053800 gccrs: unsafe: check use of `target_feature` attribute
      - d9e05700ac3 gccrs: Check for mutable references in const functions
      - ef792b9658d gccrs: rust: add bound parsing in parse_generic_arg.
      - e1394230b3f gccrs: Implement declarative macro 2.0 parser
      - 3f1dbb2cf8f gccrs: Add name resolution to generic argument associated item bindings
      - 7eab9d18d97 gccrs: Support associated type bound arguments
      - 364f4cd3072 gccrs: Reuse TypeCheckPattern on LetStmt's
      - 8e2abbef4cc gccrs: Add get_locus function for abstract class MetaItemInner.
      - 86f8e47f9df gccrs: diagnostics: Add underline for tokens in diagnostics.
      - 881ed7fb273 gccrs: Change how CompileVarDecl outputs Bvariable's
      - 60affc3a1c5 gccrs: testsuite: Handle Windows carriage returns properly
      - 910e7e0a958 gccrs: Support GroupedPattern during name resolution
      - cb42610bfba gccrs: Do not crash on empty macros expand. Fixes #1712
      - 93fcadd208a gccrs: Add HIR lowering for GroupedPattern
      - d5a303cc664 gccrs: Add get_item method for HIR::GroupedPattern
      - 83e5f634d74 gccrs: Add type resolution for grouped patterns
      - 221650c280c gccrs: Added missing GroupedPattern visitors for code generation
      - 9b19e93873c gccrs: Rename file rust-ast-full-test.cc to rust-ast.cc
      - d6cb04bf5c0 gccrs: moved operator.h to util/rust-operators.h
      - 760f529d813 gccrs: fixed compiler error message on wildcard pattern within expression
      - 8e7e682a9f8 gccrs: fixed indentations in AST pretty expanded dump of trait
      - 51b607c2227 gccrs: macro: Allow builtin `MacroInvocation`s within the AST
      - ad9d75f5080 gccrs: Create and use CompilePatternLet visitor for compiling let statments
      - 9cbd270632b gccrs: parser: Allow parsing multiple reference types
      - 2dab57c3f2f gccrs: Move rust-buffered-queue.h to util folder #1766
      - fd7358af3cf gccrs: Improve GroupedPattern lowering
      - 95efd84db13 gccrs: Remove HIR::GroupedPattern
      - 0e4bf6e7fc4 gccrs: Optimize HIR::ReferencePattern
      - 86f53e5853d gccrs: Implement lowering ReferencePattern from AST to HIR
      - 2af66ebd1d8 gccrs: parser: Improve parsing of complex generic arguments
      - 7f5144d1c96 gccrs: parser: Fix parsing of closure param list
      - 476faea3563 gccrs: Add  support for feature check.
      - 4141941ae7b gccrs: Removed comment copy-pasted from gcc/tree.def
      - 8d1d08cdbcf gccrs: Add another test case for passing associated type-bounds
      - c1b1bbbc645 gccrs: Move TypePredicateItem impl out of the header
      - 688fccb5227 gccrs: Refactor TyVar and TypeBoundPredicates
      - e42118c327f gccrs: Refactor SubstitutionRef base class into its own CC file
      - 6abbfb5280f gccrs: Refactor all substitution mapper code implementation into its own CC file
      - d73082efece gccrs: Refactor BaseType, InferType and ErrorType impl into cc file
      - 26af4b0604d gccrs: Refactor PathProbe into cc file
      - 547e511fbdd gccrs: Refactor PathProbeType code into CC file
      - 615ee14c08e gccrs: Refactor all code out of the rust-tyty.h header
      - 6c4fa22d384 gccrs: Rename rust-tyctx.cc to rust-typecheck-context.cc
      - 1019fd6337b gccrs: Rename header rust-hir-trait-ref.h to rust-hir-trait-reference.h
      - dcb2e571ac6 gccrs: Refactor handle_substitutions to take a reference
      - 2f228578d56 gccrs: Clear the substitution callbacks when copying ArgumentMappings
      - 31f1e59962b gccrs: Add missing param subst callback
      - e42c28bcfdd gccrs: Remove monomorphization hack to setup possible associated types
      - 68d671ac725 gccrs: Refactor the type unification code
      - 2a2e6712ba0 gccrs: Fix nullptr dereference
      - f62dcf2c65a gccrs: Add missing Sized, Copy and Clone lang item mappings
      - 9754a60623c gccrs: Fix higher ranked trait bounds computation of self
      - 11150b7c05c gccrs: Remove bad error message on checking function arguments
      - eb4a61ac1ba gccrs: Add general TypeBounds checks
      - fa7b3a2f07f gccrs: Add support for TuplePattern in let statements
      - 1c57244dbc0 gccrs: rust-item: include rust-expr.h
      - f548ddee96a gccrs: parser: Expose parse_macro_invocation as public API
      - 2d30e0b882f gccrs: expansion: Add `get_token_slice` to `MacroInvocLexer` class
      - 3821669164d gccrs: macros: Perform macro expansion in a fixed-point fashion.
      - fbd5244df6b gccrs: expander: Add documentation for `expand_eager_invocations`
      - 5fd04425c09 gccrs: typecheck: Refactor rust-hir-trait-reference.h
      - f64799a567e gccrs: cli: Update safety warning message
      - b4229fb086b gccrs: Update copyright years.
      - fd5eb9f2b01 gccrs: Add feature gate for "rust-intrinsic".
      - a9d72ef2d03 gccrs: Add variadic argument type checking
      - 8a9886a85ea gccrs: Add test
      - e81f5be60d1 gccrs: Simplify WildcardPattern let statement handling
      - b56d093e952 gccrs: lex: Prevent directories in RAIIFile
      - 7b00a80c9df gccrs: testsuite: Add empty string macro test
      - 20529dff93f gccrs: Add support for parsing empty tuple patterns.
      - fd406fc7046 gccrs: Implemented UTF-8 checking for include_str!()
      - c627781b8f6 gccrs: Extract query_type from TypeCheckBase to be a simple extern
      - e90d06c5447 gccrs: Add new virtual function HIR::ImplItem::get_impl_item_name
      - 4b25fc15b92 gccrs: Support for Sized builtin marker trait
      - a11b44b6a57 gccrs: Fix regression in testcase
      - ecdce2bf17a gccrs: Add trailing newline
      - 8b0ed2387a5 gccrs: builtins: Return empty list of tokens instead of nullptr
      - 6774d569c61 gccrs: Fix formatting
      - 8628486f487 gccrs: Add AST::AltPattern class
      - 0ec543c7c61 gccrs: Fix up DejaGnu directives in 'rust/compile/issue-1830_{bytes,str}.rs' test cases [#1838]
      - 1a58da7c2d8 gccrs: rename rust-hir-full-tests.cc
      - 3b342e11627 gccrs: add test case to show our query-type system is working
      - fa7675df86a gccrs: ast: Refactor TraitItem to keep Location info
      - 2785d591116 gccrs: diagnostic: Refactor Error class
      - f2d6ab839ce gccrs: Added AST Node AST::InlineAsm
      - 990ae497b86 gccrs: Address unsafe with/without block handling ambiguity
      - d2a499a9881 gccrs: Fix issue with parsing unsafe block expression statements

This merge is done with 'git merge --strategy=ours', so effectively doesn't
merge any changes.  Rationale: those commits are taken from GCC/Rust master
branch, and any remaining changes we'd either like to persist, or assess
individually, later.

0 files changed, 0 insertions, 0 deletions