Merge commit 'f7884f7673444b8a2c10ea0981d480f2e82dd16a'; commit 'adb56ef014effb17af27...

Merge "macro: Use MacroInvocation's node_id in ExternalItem constructor", to
avoid bootstrap failure:

    [...]
    In file included from [...]/source-gcc/gcc/rust/ast/rust-expr.h:6,
                     from [...]/source-gcc/gcc/rust/ast/rust-ast-full.h:24,
                     from [...]/source-gcc/gcc/rust/ast/rust-ast.cc:24:
    In copy constructor ‘Rust::AST::MacroInvocation::MacroInvocation(const Rust::AST::MacroInvocation&)’,
        inlined from ‘Rust::AST::MacroInvocation* Rust::AST::MacroInvocation::clone_macro_invocation_impl() const’ at [...]/source-gcc/gcc/rust/ast/rust-\
    macro.h:798:38:
    [...]/source-gcc/gcc/rust/ast/rust-macro.h:734:39: error: ‘*(Rust::AST::MacroInvocation*)<unknown>.Rust::AST::MacroInvocation::Rust::AST::ExprWithout\
    Block.Rust::AST::ExprWithoutBlock::Rust::AST::Expr.Rust::AST::Expr::node_id’ is used uninitialized [-Werror=uninitialized]
      734 |       builtin_kind (other.builtin_kind)
          |                                       ^
    cc1plus: all warnings being treated as errors
    make[3]: *** [[...]/source-gcc/gcc/rust/Make-lang.in:423: rust/rust-ast.o] Error 1
    [...]
    In file included from [...]/source-gcc/gcc/rust/ast/rust-expr.h:6,
                     from [...]/source-gcc/gcc/rust/ast/rust-item.h:27,
                     from [...]/source-gcc/gcc/rust/parse/rust-parse.h:20,
                     from [...]/source-gcc/gcc/rust/expand/rust-macro-expand.h:24,
                     from [...]/source-gcc/gcc/rust/expand/rust-macro-expand.cc:19:
    In copy constructor ‘Rust::AST::MacroInvocation::MacroInvocation(const Rust::AST::MacroInvocation&)’,
        inlined from ‘Rust::AST::MacroInvocation* Rust::AST::MacroInvocation::clone_macro_invocation_impl() const’ at [...]/source-gcc/gcc/rust/ast/rust-\
    macro.h:798:38:
    [...]/source-gcc/gcc/rust/ast/rust-macro.h:734:39: error: ‘*(Rust::AST::MacroInvocation*)<unknown>.Rust::AST::MacroInvocation::Rust::AST::ExprWithout\
    Block.Rust::AST::ExprWithoutBlock::Rust::AST::Expr.Rust::AST::Expr::node_id’ is used uninitialized [-Werror=uninitialized]
      734 |       builtin_kind (other.builtin_kind)
          |                                       ^
    cc1plus: all warnings being treated as errors
    make[3]: *** [[...]/source-gcc/gcc/rust/Make-lang.in:433: rust/rust-macro-expand.o] Error 1
    [...]