ICE in get_token_slice, at rust/expand/rust-macro-invoc-lexer.cc:73
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Since Mar 28, 2025.
bug
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Description
auto-reduced (treereduce-rust):
macro_rules! m {
() => {{
fn f ()
f
}}
}
fn main() {
m!()(f());
}
original:
// check-pass
macro_rules! m {
() => {{
fn f(_: impl Sized) ("got here!")
f
}}
}
fn main() {
fn test(self) {};
m!()(f());
}
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_token_slice, at rust/expand/rust-macro-invoc-lexer.cc:73
0x865799 Rust::MacroInvocLexer::get_token_slice(unsigned long, unsigned long) const
../../gcc/rust/expand/rust-macro-invoc-lexer.cc:73
0xc7ecaa transcribe_expression
../../gcc/rust/expand/rust-macro-expand.cc:938
0xc7ecaa transcribe_context
../../gcc/rust/expand/rust-macro-expand.cc:1005
0xc7ecaa Rust::MacroExpander::transcribe_rule(Rust::AST::MacroRulesDefinition&, Rust::AST::MacroRule&, Rust::AST::DelimTokenTree&, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, Rust::MatchedFragmentContainer*, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, Rust::MatchedFragmentContainer*> > >&, Rust::AST::InvocKind, Rust::MacroExpander::ContextType)
../../gcc/rust/expand/rust-macro-expand.cc:1086
0xc82cb5 Rust::MacroExpander::expand_decl_macro(unsigned int, Rust::AST::MacroInvocData&, Rust::AST::MacroRulesDefinition&, Rust::AST::InvocKind)
../../gcc/rust/expand/rust-macro-expand.cc:123
0xc8324b Rust::MacroExpander::expand_invoc(Rust::AST::MacroInvocation&, Rust::AST::InvocKind)
../../gcc/rust/expand/rust-macro-expand.cc:305
0xd3967f Rust::ExpandVisitor::visit(Rust::AST::CallExpr&)
../../gcc/rust/ast/rust-ast-visitor.h:402
0xd392a4 Rust::ExpandVisitor::maybe_expand_expr(std::unique_ptr<Rust::AST::Expr, std::default_delete<Rust::AST::Expr> >&)
../../gcc/rust/expand/rust-expand-visitor.cc:339
0xd3e9a0 void Rust::ExpandVisitor::expand_macro_children<std::vector<std::unique_ptr<Rust::AST::Stmt, std::default_delete<Rust::AST::Stmt> >, std::allocator<std::unique_ptr<Rust::AST::Stmt, std::default_delete<Rust::AST::Stmt> > > >, std::unique_ptr<Rust::AST::Stmt, std::default_delete<Rust::AST::Stmt> > >(std::vector<std::unique_ptr<Rust::AST::Stmt, std::default_delete<Rust::AST::Stmt> >, std::allocator<std::unique_ptr<Rust::AST::Stmt, std::default_delete<Rust::AST::Stmt> > > >&, std::function<std::unique_ptr<Rust::AST::Stmt, std::default_delete<Rust::AST::Stmt> > (Rust::AST::SingleASTNode)>)
../../gcc/rust/expand/rust-expand-visitor.h:133
0xd3e9a0 Rust::ExpandVisitor::expand_inner_stmts(Rust::AST::BlockExpr&)
../../gcc/rust/expand/rust-expand-visitor.cc:330
0xd3fbb0 Rust::ExpandVisitor::visit(Rust::AST::BlockExpr&)
../../gcc/rust/expand/rust-expand-visitor.cc:629
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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