gccrs: Cleanup unused parameters to fix the bootstrap build

gcc/rust/ChangeLog:

	* backend/rust-compile-type.cc (TyTyResolveCompile::visit): Remove unused parameters.
	* backend/rust-constexpr.cc (constant_value_1): Likewise.
	(fold_non_dependent_init): Likewise.
	* backend/rust-tree.cc (publicly_uniquely_derived_p): Likewise.
	(instantiation_dependent_expression_p): Likewise.
	(type_has_nontrivial_copy_init): Likewise.
	(is_normal_capture_proxy): Likewise.
	(resolve_nondeduced_context): Likewise.
	(undeduced_auto_decl): Likewise.
	(require_deduced_type): Likewise.
	* checks/errors/privacy/rust-privacy-reporter.cc (PrivacyReporter::visit): Likewise.
	* checks/errors/privacy/rust-reachability.cc (ReachabilityVisitor::visit): Likewise.
	* checks/errors/privacy/rust-visibility-resolver.cc (VisibilityResolver::visit): Likewise.
	* checks/errors/rust-const-checker.cc (ConstChecker::visit): Likewise.
	* checks/errors/rust-unsafe-checker.cc (UnsafeChecker::visit): Likewise.
	* checks/lints/rust-lint-marklive.cc (MarkLive::go): Likewise.
	* checks/lints/rust-lint-unused-var.cc (unused_var_walk_fn): Likewise.
	* expand/rust-macro-builtins.cc (try_expand_single_string_literal): Likewise.
	(try_expand_many_expr): Likewise.
	(parse_single_string_literal): Likewise.
	(MacroBuiltin::assert_handler): Likewise.
	(MacroBuiltin::file_handler): Likewise.
	(MacroBuiltin::column_handler): Likewise.
	(MacroBuiltin::concat_handler): Likewise.
	(MacroBuiltin::env_handler): Likewise.
	(MacroBuiltin::line_handler): Likewise.
	* hir/rust-ast-lower-base.cc (ASTLoweringBase::visit): Likewise.
	(ASTLoweringBase::handle_doc_item_attribute): Likewise.
	* hir/rust-hir-dump.cc (Dump::visit): Likewise.
	* hir/tree/rust-hir-full-test.cc (ConstGenericParam::accept_vis): Likewise.
	* lex/rust-lex.cc (Lexer::parse_utf8_escape): Likewise.
	(Lexer::parse_string): Likewise.
	(Lexer::parse_char_or_lifetime): Likewise.
	* lex/rust-lex.h: Likewise.
	* metadata/rust-export-metadata.cc: Likewise.
	* resolve/rust-ast-resolve-expr.cc (ResolveExpr::visit): Likewise.
	* resolve/rust-ast-resolve-type.cc (ResolveType::visit): Likewise.
	(ResolveTypeToCanonicalPath::visit): Likewise.
	* resolve/rust-ast-verify-assignee.h: Likewise.
	* resolve/rust-early-name-resolver.cc (EarlyNameResolver::visit): Likewise.
	* typecheck/rust-hir-type-check-expr.h: Likewise.
	* typecheck/rust-hir-type-check-item.h: Likewise.
	* typecheck/rust-hir-type-check-pattern.cc (TypeCheckPattern::visit): Likewise.
	* typecheck/rust-tyty-rules.h: Likewise.
	* util/rust-attributes.cc (AttributeChecker::visit): Likewise.

1 files changed, 9 insertions, 11 deletions

diff --git a/gcc/rust/expand/rust-macro-builtins.cc b/gcc/rust/expand/rust-macro-builtins.cc
index 9bed3dd..1133440 100644
--- a/gcc/rust/expand/rust-macro-builtins.cc
+++ b/gcc/rust/expand/rust-macro-builtins.cc
@@ -99,7 +99,6 @@ try_extract_string_literal_from_fragment (const Location &parent_locus,
 
 static std::unique_ptr<AST::LiteralExpr>
 try_expand_single_string_literal (AST::Expr *input_expr,
-				  const Location &invoc_locus,
 				  MacroExpander *expander)
 {
   auto nodes = try_expand_macro_expression (input_expr, expander);
@@ -116,8 +115,8 @@ try_expand_single_string_literal (AST::Expr *input_expr,
 
 static std::vector<std::unique_ptr<AST::Expr>>
 try_expand_many_expr (Parser<MacroInvocLexer> &parser,
-		      const Location &invoc_locus, const TokenId last_token_id,
-		      MacroExpander *expander, bool &has_error)
+		      const TokenId last_token_id, MacroExpander *expander,
+		      bool &has_error)
 {
   auto restrictions = Rust::ParseRestrictions ();
   // stop parsing when encountered a braces/brackets
@@ -204,8 +203,7 @@ parse_single_string_literal (AST::DelimTokenTree &invoc_token_tree,
       // when the expression does not seem to be a string literal, we then try
       // to parse/expand it as macro to see if it expands to a string literal
       auto expr = parser.parse_expr ();
-      lit_expr
-	= try_expand_single_string_literal (expr.get (), invoc_locus, expander);
+      lit_expr = try_expand_single_string_literal (expr.get (), expander);
     }
 
   parser.skip_token (last_token_id);
@@ -265,7 +263,7 @@ load_file_bytes (const char *filename)
 } // namespace
 
 AST::Fragment
-MacroBuiltin::assert_handler (Location invoc_locus, AST::MacroInvocData &invoc)
+MacroBuiltin::assert_handler (Location, AST::MacroInvocData &)
 {
   rust_debug ("assert!() called");
 
@@ -273,7 +271,7 @@ MacroBuiltin::assert_handler (Location invoc_locus, AST::MacroInvocData &invoc)
 }
 
 AST::Fragment
-MacroBuiltin::file_handler (Location invoc_locus, AST::MacroInvocData &invoc)
+MacroBuiltin::file_handler (Location invoc_locus, AST::MacroInvocData &)
 {
   auto current_file
     = Session::get_instance ().linemap->location_file (invoc_locus);
@@ -283,7 +281,7 @@ MacroBuiltin::file_handler (Location invoc_locus, AST::MacroInvocData &invoc)
 }
 
 AST::Fragment
-MacroBuiltin::column_handler (Location invoc_locus, AST::MacroInvocData &invoc)
+MacroBuiltin::column_handler (Location invoc_locus, AST::MacroInvocData &)
 {
   auto current_column
     = Session::get_instance ().linemap->location_to_column (invoc_locus);
@@ -401,7 +399,7 @@ MacroBuiltin::concat_handler (Location invoc_locus, AST::MacroInvocData &invoc)
   auto last_token_id = macro_end_token (invoc_token_tree, parser);
 
   /* NOTE: concat! could accept no argument, so we don't have any checks here */
-  auto expanded_expr = try_expand_many_expr (parser, invoc_locus, last_token_id,
+  auto expanded_expr = try_expand_many_expr (parser, last_token_id,
 					     invoc.get_expander (), has_error);
   for (auto &expr : expanded_expr)
     {
@@ -451,7 +449,7 @@ MacroBuiltin::env_handler (Location invoc_locus, AST::MacroInvocData &invoc)
   std::unique_ptr<AST::LiteralExpr> lit_expr = nullptr;
   bool has_error = false;
 
-  auto expanded_expr = try_expand_many_expr (parser, invoc_locus, last_token_id,
+  auto expanded_expr = try_expand_many_expr (parser, last_token_id,
 					     invoc.get_expander (), has_error);
   if (has_error)
     return AST::Fragment::create_error ();
@@ -591,7 +589,7 @@ MacroBuiltin::include_handler (Location invoc_locus, AST::MacroInvocData &invoc)
 }
 
 AST::Fragment
-MacroBuiltin::line_handler (Location invoc_locus, AST::MacroInvocData &invoc)
+MacroBuiltin::line_handler (Location invoc_locus, AST::MacroInvocData &)
 {
   auto current_line
     = Session::get_instance ().linemap->location_to_line (invoc_locus);