ICE in get_outer_attrs, at rust/ast/rust-expr.h:3012
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@Prajwal-kp-18 is already working on this.
Since Jan 3, 2026.
bug
good-first-pr
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Description
auto-reduced (treereduce-rust):
impl<'r> Itble<'r, usize> for (usize, usize) {
fn iter(&'r self) -> Range<usize> {
min..max
}
}
original:
use std::ops::Range;
trait Itble<'r, T, I: Iterator<Item=T>> { fn iter(&'r self) -> I; }
impl<'r> Itble<'r, usize, Range<usize>> for (usize, usize) {
fn iter(&'r self) -> Range<usize> {
let &(min, max) = self;
min..max
}
}
fn check<'r, I: Iterator<Item=usize>, T: Itble<'r, usize, I>>(cont: &T) -> bool
{Some(mask|bit)}
fn main() {
check(&(3, 5));
}
Version information:
a988708b4ba2b5a27715ea34c09ccfd3ed5143ca
Command:
crab1 -Warray-bounds -mtune=generic -march=x86-64 -O0 -L/lib/x86_64-linux-gnu -L/lib/../lib64 -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib64 -frust-incomplete-and-experimental-compiler-do-not-use
Program output
crab1: internal compiler error: in get_outer_attrs, at rust/ast/rust-expr.h:3012
0x861758 Rust::AST::RangeExpr::get_outer_attrs()
../../gcc/rust/ast/rust-expr.h:3012
0xd3efda Rust::expand_tail_expr(Rust::AST::BlockExpr&, Rust::MacroExpander&)
../../gcc/rust/expand/rust-expand-visitor.cc:134
0xd3fbbc Rust::ExpandVisitor::visit(Rust::AST::BlockExpr&)
../../gcc/rust/expand/rust-expand-visitor.cc:631
0xd40b4b void Rust::ExpandVisitor::expand_macro_children<std::vector<std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> >, std::allocator<std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> > > >, std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> > >(std::vector<std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> >, std::allocator<std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> > > >&, std::function<std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> > (Rust::AST::SingleASTNode)>)
../../gcc/rust/expand/rust-expand-visitor.h:133
0xd3b1d7 void Rust::ExpandVisitor::expand_macro_children<std::vector<std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> >, std::allocator<std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> > > >, std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> > >(Rust::MacroExpander::ContextType, std::vector<std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> >, std::allocator<std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> > > >&, std::function<std::unique_ptr<Rust::AST::AssociatedItem, std::default_delete<Rust::AST::AssociatedItem> > (Rust::AST::SingleASTNode)>)
../../gcc/rust/expand/rust-expand-visitor.h:114
0xd3b1d7 Rust::ExpandVisitor::visit(Rust::AST::TraitImpl&)
../../gcc/rust/expand/rust-expand-visitor.cc:928
0xd3db00 void Rust::ExpandVisitor::expand_macro_children<std::vector<std::unique_ptr<Rust::AST::Item, std::default_delete<Rust::AST::Item> >, std::allocator<std::unique_ptr<Rust::AST::Item, std::default_delete<Rust::AST::Item> > > >, std::unique_ptr<Rust::AST::Item, std::default_delete<Rust::AST::Item> > >(std::vector<std::unique_ptr<Rust::AST::Item, std::default_delete<Rust::AST::Item> >, std::allocator<std::unique_ptr<Rust::AST::Item, std::default_delete<Rust::AST::Item> > > >&, std::function<std::unique_ptr<Rust::AST::Item, std::default_delete<Rust::AST::Item> > (Rust::AST::SingleASTNode)>)
../../gcc/rust/expand/rust-expand-visitor.h:133
0xd3db00 Rust::ExpandVisitor::expand_inner_items(std::vector<std::unique_ptr<Rust::AST::Item, std::default_delete<Rust::AST::Item> >, std::allocator<std::unique_ptr<Rust::AST::Item, std::default_delete<Rust::AST::Item> > > >&)
../../gcc/rust/expand/rust-expand-visitor.cc:239
0xc460f5 Rust::Session::expansion(Rust::AST::Crate&, Rust::Resolver2_0::NameResolutionContext&)
../../gcc/rust/rust-session-manager.cc:959
0xc5bc91 Rust::Session::compile_crate(char const*)
../../gcc/rust/rust-session-manager.cc:619
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Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
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