ICE `in get_receiver_expr, at rust/ast/rust-expr.h` ... | Rust-GCC/gccrs

auto-reduced (treereduce-rust):

//@compile-flags: -frust-incomplete-and-experimental-compiler-do-not-use
impl Point {
    fn distance_squared(&self) -> f32 {
        #[cfg(cfail2)]
        self.x += x;
    }
}

original:

pub struct Point {
    pub x: f32,
    pub y: f32,
}

impl Point {
    fn distance_squared(&self) -> f32 {
        #[cfg(cfail1)]
        return self.x + self.distance_squared;

        #[cfg(cfail2)]
        self.x += x;
    }

    pub fn distance_from_origin(&self) -> f32 {
        self.distance_squared().sqrt()
    }
}

impl Point {
    pub fn translate(&mut self, distance_squared: f32, y: f32) {
        self.x += x;
        self.y += y;
    }
}

Version information:

5c3e2adc695b04a199d37cacd8c23b14fdab914f

Command:
/home/matthias/vcs/github/gccrs/gccrs-build/gcc/crab1 -frust-incomplete-and-experimental-compiler-do-not-use

Program output

/tmp/icemaker_global_tempdir.3aCk8mwR4GuC/rustc_testrunner_tmpdir_reporting.0l4ziNcjpCmz/mvce.rs:4:9: error: cannot strip expression in this position - outer attributes are never allowed before binary op exprs
    4 |         self.x += x;
      |         ^~~~
/tmp/icemaker_global_tempdir.3aCk8mwR4GuC/rustc_testrunner_tmpdir_reporting.0l4ziNcjpCmz/mvce.rs:4:9: error: cannot strip expression in this position - outer attributes are never allowed before binary op exprs
/tmp/icemaker_global_tempdir.3aCk8mwR4GuC/rustc_testrunner_tmpdir_reporting.0l4ziNcjpCmz/mvce.rs:4:9: error: cannot strip expression in this position - outer attributes are never allowed before binary op exprs
/tmp/icemaker_global_tempdir.3aCk8mwR4GuC/rustc_testrunner_tmpdir_reporting.0l4ziNcjpCmz/mvce.rs:4:9: error: cannot strip expression in this position - outer attributes are never allowed before binary op exprs
crab1: internal compiler error: in get_receiver_expr, at rust/ast/rust-expr.h:2364
0x2fec938 internal_error(char const*, ...)
	../../gcc/diagnostic-global-context.cc:517
0xc0dfbb fancy_abort(char const*, int, char const*)
	../../gcc/diagnostic.cc:1803
0x8fbbf5 Rust::AST::FieldAccessExpr::get_receiver_expr()
	../../gcc/rust/ast/rust-expr.h:2364
0x8fbbf5 Rust::AST::DefaultASTVisitor::visit(Rust::AST::FieldAccessExpr&)
	../../gcc/rust/ast/rust-ast-visitor.cc:435
0x8fbbf5 Rust::AST::DefaultASTVisitor::visit(Rust::AST::FieldAccessExpr&)
	../../gcc/rust/ast/rust-ast-visitor.cc:432
0xd6ebb0 void Rust::AST::DefaultASTVisitor::visit<Rust::AST::Expr>(Rust::AST::Expr&)
	../../gcc/rust/ast/rust-ast-visitor.h:412
0xd6ebb0 Rust::AST::DefaultASTVisitor::visit(Rust::AST::CompoundAssignmentExpr&)
	../../gcc/rust/ast/rust-ast-visitor.cc:303
0xd6e78f void Rust::AST::DefaultASTVisitor::visit<Rust::AST::Stmt>(std::unique_ptr<Rust::AST::Stmt, std::default_delete<Rust::AST::Stmt> >&)
	../../gcc/rust/ast/rust-ast-visitor.h:416
0xd6e78f Rust::AST::DefaultASTVisitor::visit(Rust::AST::BlockExpr&)
	../../gcc/rust/ast/rust-ast-visitor.cc:453
0xf7ffa8 std::function<void ()>::operator()() const
	/usr/include/c++/15.1.1/bits/std_function.h:593
0xf7ffa8 Rust::Resolver2_0::NameResolutionContext::scoped(Rust::Resolver2_0::Rib::Kind, unsigned int, std::function<void ()>, tl::optional<Rust::Identifier>)
	../../gcc/rust/resolve/rust-name-resolution-context.cc:283
0xf8471c Rust::Resolver2_0::DefaultResolver::visit(Rust::AST::BlockExpr&)
	../../gcc/rust/resolve/rust-default-resolver.cc:50
0xf88ca9 operator()
	../../gcc/rust/resolve/rust-default-resolver.cc:72
0xf88ca9 scope_inner<Rust::Resolver2_0::CanonicalPathCtx::scope<Rust::Resolver2_0::DefaultResolver::visit(Rust::AST::Function&)::<lambda()> >(Rust::NodeId, std::string, Rust::Resolver2_0::DefaultResolver::visit(Rust::AST::Function&)::<lambda()>&&)::<lambda()>, Rust::Resolver2_0::DefaultResolver::visit(Rust::AST::Function&)::<lambda()> >
	../../gcc/rust/resolve/rust-name-resolution-context.h:470
0xf88ca9 scope<Rust::Resolver2_0::DefaultResolver::visit(Rust::AST::Function&)::<lambda()> >
	../../gcc/rust/resolve/rust-name-resolution-context.h:413
0xf88ca9 scope<Rust::Resolver2_0::DefaultResolver::visit(Rust::AST::Function&)::<lambda()> >
	../../gcc/rust/resolve/rust-name-resolution-context.h:406
0xf88ca9 operator()
	../../gcc/rust/resolve/rust-default-resolver.cc:75
0xf88ca9 __invoke_impl<void, Rust::Resolver2_0::DefaultResolver::visit(Rust::AST::Function&)::<lambda()>&>
	/usr/include/c++/15.1.1/bits/invoke.h:63
0xf88ca9 __invoke_r<void, Rust::Resolver2_0::DefaultResolver::visit(Rust::AST::Function&)::<lambda()>&>
	/usr/include/c++/15.1.1/bits/invoke.h:113
0xf88ca9 _M_invoke
	/usr/include/c++/15.1.1/bits/std_function.h:292
Please submit a full bug report, with preprocessed source (by using -freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

ICE `in get_receiver_expr, at rust/ast/rust-expr.h` cfg'd out return

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