ICE: segfault in constructor_expression with renamed type
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@philberty is already working on this.
Since Mar 28, 2025.
bug
- Dominant language
- C++
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Description
auto-reduced (treereduce-rust):
enum _Enum {
A(),
}
type _E = _Enum;
const fn _a() -> _Enum {
_E::A()
}
original:
// check-pass
enum _Enum {
A(),
}
type _E = _Enum;
const fn _a() -> _Enum {
_E::A()
}
const autowrapper: _Enum = _a();
fn main() {}
Version information:
4019d70517af4d6d95650eb2ee3a793c57cdbe2b
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: Segmentation fault
0x1702eaf crash_signal
../../gcc/toplev.cc:319
0xb46347 vec<constructor_elt, va_gc, vl_embed>::quick_push(constructor_elt const&)
../../gcc/vec.h:1042
0xb46347 Backend::constructor_expression(tree_node*, bool, std::vector<tree_node*, std::allocator<tree_node*> > const&, int, unsigned int)
../../gcc/rust/rust-gcc.cc:1285
0xfe7080 Rust::Compile::CompileExpr::visit(Rust::HIR::CallExpr&)
../../gcc/rust/backend/rust-compile-expr.cc:1285
0xfe1840 Rust::Compile::CompileExpr::Compile(Rust::HIR::Expr&, Rust::Compile::Context*)
../../gcc/rust/backend/rust-compile-expr.cc:47
0x100d002 Rust::Compile::HIRCompileBase::compile_function_body(tree_node*, Rust::HIR::BlockExpr&, Rust::TyTy::BaseType*)
../../gcc/rust/backend/rust-compile-base.cc:603
0x1010b2c Rust::Compile::HIRCompileBase::compile_function(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, Rust::HIR::SelfParam&, std::vector<Rust::HIR::FunctionParam, std::allocator<Rust::HIR::FunctionParam> >&, Rust::HIR::FunctionQualifiers const&, Rust::HIR::Visibility&, std::vector<Rust::AST::Attribute, std::allocator<Rust::AST::Attribute> >&, unsigned int, Rust::HIR::BlockExpr*, Rust::Resolver::CanonicalPath const&, Rust::TyTy::FnType*)
../../gcc/rust/backend/rust-compile-base.cc:773
0xfd882d Rust::Compile::CompileItem::visit(Rust::HIR::Function&)
../../gcc/rust/backend/rust-compile-item.cc:256
0xc64a14 Rust::Compile::CompileItem::compile(Rust::HIR::Item*, Rust::Compile::Context*, Rust::TyTy::BaseType*, unsigned int)
../../gcc/rust/backend/rust-compile-item.h:37
0xc64a14 Rust::Compile::CompileCrate::go()
../../gcc/rust/backend/rust-compile.cc:48
0xc64afb Rust::Compile::CompileCrate::Compile(Rust::HIR::Crate&, Rust::Compile::Context*)
../../gcc/rust/backend/rust-compile.cc:41
0xc5c50b Rust::Session::compile_crate(char const*)
../../gcc/rust/rust-session-manager.cc:733
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.
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