ICE in parse_reg_operand_const, at rust/expand/rust-macro-builtins-asm.cc (globalasm)

original:

#![feature(no_core)]
#![no_core]
// revisions: x86_64 aarch64

// [x86_64] compile-flags: --target x86_64-unknown-linux-gnu
// [aarch64] compile-flags: --target aarch64-unknown-linux-gnu

// [x86_64] needs-llvm-components: x86
// [aarch64] needs-llvm-components: aarch64

#![feature(no_core, lang_items, rustc_attrs, asm_const)]
#![no_core]

#[rustc_builtin_macro]
macro_rules! asm {
    () => {};
}
#[rustc_builtin_macro]
macro_rules! global_asm {
    () => {};
}

#[lang = "sized"]
trait Sized {}

fn main() {
    let mut foo = 0;
    unsafe {
        asm!("{}");
        //~^ ERROR invalid reference to argument at index 0
        asm!("{1}", in(reg) foo);
        //~^ ERROR invalid reference to argument at index 1
        //~^^ ERROR argument never used
        asm!("{a}");
        //~^ ERROR there is no argument named `a`
        asm!("{}", a = in(reg) foo);
        //~^ ERROR invalid reference to argument at index 0
        //~^^ ERROR argument never used
        asm!("{1}", a = in(reg) foo);
        //~^ ERROR invalid reference to argument at index 1
        //~^^ ERROR named argument never used
        #[cfg(any(x86_64))]
        asm!("{}", in("eax") foo);
        //[x86_64]~^ ERROR invalid reference to argument at index 0
        #[cfg(any(aarch64))]
        asm!("{}", in("x0") foo);
        //[aarch64]~^ ERROR invalid reference to argument at index 0
        asm!("{:foo}", in(reg) foo);
        //~^ ERROR asm template modifier must be a single character
        //~| WARN formatting may not be suitable for sub-register argument [asm_sub_register]
        asm!("", in(reg) 0, in(reg) 1);
        //~^ ERROR multiple unused asm arguments
    }
}

const FOO: i32 = 1;
global_asm!("{}");
//~^ ERROR invalid reference to argument at index 0
global_asm!("{1}", const FOO);
//~^ ERROR invalid reference to argument at index 1
//~^^ ERROR argument never used
global_asm!("{a}");
//~^ ERROR there is no argument named `a`
global_asm!("{}", a = const FOO);
//~^ ERROR invalid reference to argument at index 0
//~^^ ERROR argument never used
global_asm!("{1}", a = const FOO);
//~^ ERROR invalid reference to argument at index 1
//~^^ ERROR named argument never used
global_asm!("{:foo}", const FOO);
//~^ ERROR asm template modifier must be a single character
global_asm!("", const FOO, const FOO);
//~^ ERROR multiple unused asm arguments

crab1: internal compiler error: in parse_reg_operand_const, at rust/expand/rust-macro-builtins-asm.cc:466
0x32c0107 internal_error(char const*, ...)
	../../gcc/diagnostic-global-context.cc:787
0xc7e0b1 fancy_abort(char const*, int, char const*)
	../../gcc/diagnostics/context.cc:1813
0xf3cb2a Rust::parse_reg_operand_const(Rust::InlineAsmContext)
	../../gcc/rust/expand/rust-macro-builtins-asm.cc:466
0xf3cb2a Rust::parse_reg_operand_const(Rust::InlineAsmContext)
	../../gcc/rust/expand/rust-macro-builtins-asm.cc:459
0xf3e4ff decltype (((forward<tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (* const&)(Rust::InlineAsmContext)>)({parm#1}))((forward<Rust::InlineAsmContext&>)({parm#2}))) tl::detail::invoke<tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (* const&)(Rust::InlineAsmContext), Rust::InlineAsmContext&, void>(tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (* const&)(Rust::InlineAsmContext), Rust::InlineAsmContext&)
	../../gcc/rust/util/expected.h:292
0xf3e4ff auto tl::detail::and_then_impl<tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError>&, tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (* const&)(Rust::InlineAsmContext), (void*)0, tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> >(tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError>&, tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (* const&)(Rust::InlineAsmContext))
	../../gcc/rust/util/expected.h:2053
0xf3e4ff auto tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError>::and_then<tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (* const&)(Rust::InlineAsmContext)>(tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (* const&)(Rust::InlineAsmContext)) &
	../../gcc/rust/util/expected.h:1287
0xf3e4ff Rust::parse_reg_operand(Rust::InlineAsmContext)
	../../gcc/rust/expand/rust-macro-builtins-asm.cc:248
0xf40724 Rust::parse_asm_arg(Rust::InlineAsmContext)
	../../gcc/rust/expand/rust-macro-builtins-asm.cc:755
0xf42587 decltype (((forward<tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (&)(Rust::InlineAsmContext)>)({parm#1}))((forward<Rust::InlineAsmContext>)({parm#2}))) tl::detail::invoke<tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (&)(Rust::InlineAsmContext), Rust::InlineAsmContext, void>(tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (&)(Rust::InlineAsmContext), Rust::InlineAsmContext&&)
	../../gcc/rust/util/expected.h:292
0xf42587 auto tl::detail::and_then_impl<tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError>, tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (&)(Rust::InlineAsmContext), (void*)0, tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> >(tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError>&&, tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (&)(Rust::InlineAsmContext))
	../../gcc/rust/util/expected.h:2053
0xf42587 auto tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError>::and_then<tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (&)(Rust::InlineAsmContext)>(tl::expected<Rust::InlineAsmContext, Rust::InlineAsmParseError> (&)(Rust::InlineAsmContext)) &&
	../../gcc/rust/util/expected.h:1290
0xf42587 Rust::parse_asm(unsigned long, Rust::AST::MacroInvocData&, Rust::AST::InvocKind, Rust::AST::AsmKind)
	../../gcc/rust/expand/rust-macro-builtins-asm.cc:874
0xf42bea Rust::MacroBuiltin::asm_handler(unsigned long, Rust::AST::MacroInvocData&, Rust::AST::InvocKind, Rust::AST::AsmKind)
	../../gcc/rust/expand/rust-macro-builtins-asm.cc:660
0xf384fc operator()
	../../gcc/rust/expand/rust-macro-builtins.cc:101
0xf384fc __invoke_impl<tl::optional<Rust::AST::Fragment>, Rust::inline_asm_maker(AST::AsmKind)::<lambda(location_t, Rust::AST::MacroInvocData&, Rust::AST::InvocKind)>&, long unsigned int, Rust::AST::MacroInvocData&, Rust::AST::InvocKind>
	/usr/include/c++/16.1.1/bits/invoke.h:63
0xf384fc __invoke_r<tl::optional<Rust::AST::Fragment>, Rust::inline_asm_maker(AST::AsmKind)::<lambda(location_t, Rust::AST::MacroInvocData&, Rust::AST::InvocKind)>&, long unsigned int, Rust::AST::MacroInvocData&, Rust::AST::InvocKind>
	/usr/include/c++/16.1.1/bits/invoke.h:118
0xf384fc _M_invoke
	/usr/include/c++/16.1.1/bits/std_function.h:296
0xeef774 std::function<tl::optional<Rust::AST::Fragment> (unsigned long, Rust::AST::MacroInvocData&, Rust::AST::InvocKind)>::operator()(unsigned long, Rust::AST::MacroInvocData&, Rust::AST::InvocKind) const
	/usr/include/c++/16.1.1/bits/std_function.h:581
0xeef774 Rust::MacroExpander::expand_invoc(Rust::AST::MacroInvocation&, Rust::AST::InvocKind)
	../../gcc/rust/expand/rust-macro-expand.cc:328
/home/matthias/vcs/github/gccrs/gccrs-build/gcc/crab1 /tmp/icemaker_global_tempdir.mvX4OLoQFu8L/rustc_testrunner_tmpdir_reporting.W7egw7u01RoS/mvce.rs -o/tmp/icemaker_global_tempdir.mvX4OLoQFu8L/rustc_testrunner_tmpdir_reporting.W7egw7u01RoS/binaryname -frust-incomplete-and-experimental-compiler-do-not-use
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