[gcc/devel/rust/master] Merge #1678 #1682 #1687

[gcc/devel/rust/master] Merge #1678 #1682 #1687

[Thomas Schwinge]

https://gcc.gnu.org/g:62d1620c91053438399064fa4eddb15d09cbabf4

commit 62d1620c91053438399064fa4eddb15d09cbabf4
Merge: e91b6e5339c a3a755838fd 88e509b1b14 ca0a935cdc3
Author: bors[bot] <26634292+bors[bot]@users.noreply.github.com>
Date:   Fri Dec 9 10:08:22 2022 +0000

    Merge #1678 #1682 #1687
    
    1678: Cleanup unused parameters r=CohenArthur a=philberty
    
    This starts removing some of the unused parameters within the codebase
    
    1682: const evaluator: Simplify get_nth_callarg r=CohenArthur a=CohenArthur
    
    
    
    1687: Repair 'gcc/rust/lang.opt' comment r=CohenArthur a=tschwinge
    
    ... lost in #1527 commit 138a6260124740208b8f3aff2e38617f43b05fe8
    "rust: Add -frust-compile-until option".
    
    
    Co-authored-by: Philip Herron <herron.philip@googlemail.com>
    Co-authored-by: Arthur Cohen <arthur.cohen@embecosm.com>
    Co-authored-by: Thomas Schwinge <thomas@codesourcery.com>

Diff:

 gcc/rust/backend/rust-compile-type.cc              |   8 +-
 gcc/rust/backend/rust-constexpr.cc                 |  33 +-
 gcc/rust/backend/rust-tree.cc                      |  38 +--
 .../checks/errors/privacy/rust-privacy-reporter.cc |  58 ++--
 .../checks/errors/privacy/rust-reachability.cc     |   4 +-
 .../errors/privacy/rust-visibility-resolver.cc     |   8 +-
 gcc/rust/checks/errors/rust-const-checker.cc       | 132 ++++----
 gcc/rust/checks/errors/rust-unsafe-checker.cc      | 142 ++++-----
 gcc/rust/checks/lints/rust-lint-marklive.cc        |   2 +-
 gcc/rust/checks/lints/rust-lint-unused-var.cc      |   2 +-
 gcc/rust/expand/rust-macro-builtins.cc             |  20 +-
 gcc/rust/hir/rust-ast-lower-base.cc                | 352 ++++++++++-----------
 gcc/rust/hir/rust-hir-dump.cc                      |   4 +-
 gcc/rust/hir/tree/rust-hir-full-test.cc            |   2 +-
 gcc/rust/lang.opt                                  |   4 +-
 gcc/rust/lex/rust-lex.cc                           |   6 +-
 gcc/rust/lex/rust-lex.h                            |   2 +-
 gcc/rust/metadata/rust-export-metadata.cc          |  24 +-
 gcc/rust/resolve/rust-ast-resolve-expr.cc          |   6 +-
 gcc/rust/resolve/rust-ast-resolve-type.cc          |   6 +-
 gcc/rust/resolve/rust-ast-verify-assignee.h        |   8 +-
 gcc/rust/resolve/rust-early-name-resolver.cc       | 120 +++----
 gcc/rust/typecheck/rust-hir-type-check-expr.h      |  32 +-
 gcc/rust/typecheck/rust-hir-type-check-item.h      |   4 +-
 gcc/rust/typecheck/rust-hir-type-check-pattern.cc  |  10 +-
 gcc/rust/typecheck/rust-tyty-rules.h               |  48 +--
 gcc/rust/util/rust-attributes.cc                   | 312 +++++++++---------
 27 files changed, 665 insertions(+), 722 deletions(-)