ICE -Zsave-analysis + asm : issue-72570.rs

[matthiaskrgr]

Code

code from ./src/test/ui/asm/issue-72570.rs

// only-x86_64

#![feature(asm)]

fn main() {
    unsafe {
        asm!("", in("invalid") "".len());
        //~^ ERROR: invalid register `invalid`: unknown register
    }
}

Meta

repo is @ 6f48888

Error output

build/x86_64-unknown-linux-gnu/stage2/bin/rustc ./src/test/ui/asm/issue-72570.rs -Zsave-analysis

error: invalid register `invalid`: unknown register
 --> ./src/test/ui/asm/issue-72570.rs:7:18
  |
7 |         asm!("", in("invalid") "".len());
  |                  ^^^^^^^^^^^^^^^^^^^^^^

error: internal compiler error: src/librustc_middle/hir/map/mod.rs:813: expected expr, found unknown node (hir_id=HirId { owner: DefId(0:3 ~ issue_72570[317d]::main[0]), local_id: 3 })

thread 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:907:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports

note: rustc 1.45.0-dev running on x86_64-unknown-linux-gnu

note: compiler flags: -Z save-analysis

error: aborting due to 2 previous errors

Backtrace

error: invalid register `invalid`: unknown register
 --> ./src/test/ui/asm/issue-72570.rs:7:18
  |
7 |         asm!("", in("invalid") "".len());
  |                  ^^^^^^^^^^^^^^^^^^^^^^

error: internal compiler error: src/librustc_middle/hir/map/mod.rs:813: expected expr, found unknown node (hir_id=HirId { owner: DefId(0:3 ~ issue_72570[317d]::main[0]), local_id: 3 })

thread 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:907:9
stack backtrace:
   0:     0x7fed9c18ce07 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6129db55f2395b00
   1:     0x7fed9c1d999d - core::fmt::write::h65255e7874586eb2
   2:     0x7fed9c15db95 - std::io::Write::write_fmt::hbf3ccd0f0d2c8616
   3:     0x7fed9c169980 - std::panicking::default_hook::{{closure}}::h74fe3c93ec09b89c
   4:     0x7fed9c169694 - std::panicking::default_hook::h18ec94680373bfcc
   5:     0x7fed9db3bd63 - rustc_driver::report_ice::h4fc186d9ba1d4385
   6:     0x7fed9c16a06c - std::panicking::rust_panic_with_hook::hb1014dbead89930a
   7:     0x7feda1c53ec3 - std::panicking::begin_panic::hc7ac9df6d5f04237
   8:     0x7feda1c62a90 - rustc_errors::HandlerInner::bug::h3a5c08e2bff213a1
   9:     0x7feda1c61360 - rustc_errors::Handler::bug::h2de8785b7d405dfe
  10:     0x7feda17f8dd6 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::h07ececa769a009a5
  11:     0x7feda17f0a75 - rustc_middle::ty::context::tls::with_opt::{{closure}}::h797739bc970a6b0d
  12:     0x7feda17f09dd - rustc_middle::ty::context::tls::with_opt::h7d9bc9ed25b40901
  13:     0x7feda17f8ce5 - rustc_middle::util::bug::opt_span_bug_fmt::hb60567835bc1d4bb
  14:     0x7feda17f8c50 - rustc_middle::util::bug::bug_fmt::h8d9a01560db8d487
  15:     0x7feda154acbd - rustc_middle::hir::map::Map::expect_expr::h1884cfecf0a6cf3f
  16:     0x7fed9dbf03ca - rustc_save_analysis::SaveContext::get_expr_data::h5996a1f915bb9a02
  17:     0x7fed9dc41494 - <rustc_save_analysis::dump_visitor::DumpVisitor as rustc_ast::visit::Visitor>::visit_expr::h1d1c0690082940d0
  18:     0x7fed9dc2fc76 - rustc_ast::visit::walk_expr::hbc84fe4c38361139
  19:     0x7fed9dc3000f - rustc_ast::visit::walk_expr::hbc84fe4c38361139
  20:     0x7fed9dc3f28f - <rustc_save_analysis::dump_visitor::DumpVisitor as rustc_ast::visit::Visitor>::visit_item::h1220efd921fe2694
  21:     0x7fed9dc39baa - <rustc_save_analysis::dump_visitor::DumpVisitor as rustc_ast::visit::Visitor>::visit_mod::h28097d46ffb1455c
  22:     0x7fed9db2dbe3 - rustc_ast::visit::walk_crate::h56adcbbb6aef269c
  23:     0x7fed9dafc94b - rustc_middle::dep_graph::<impl rustc_query_system::dep_graph::DepKind for rustc_middle::dep_graph::dep_node::DepKind>::with_deps::h95d462bcd954e806
  24:     0x7fed9db9d430 - rustc_session::utils::<impl rustc_session::session::Session>::time::hc2362ef3dbb9abab
  25:     0x7fed9db0da49 - rustc_middle::ty::context::tls::enter_global::h1ea40c7f1f137d3b
  26:     0x7fed9db0ffeb - rustc_interface::interface::run_compiler_in_existing_thread_pool::he10d9dfcb60e9bff
  27:     0x7fed9db4d6d0 - rustc_ast::attr::with_globals::h1df959b8a9a2dc54
  28:     0x7fed9db4f408 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1fd3c02dac5c3d0e
  29:     0x7fed9daff22e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h17f6d80818e9b275
  30:     0x7fed9c171d7a - std::sys::unix::thread::Thread::new::thread_start::h00452227f2552ee2
  31:     0x7fed9be98422 - start_thread
  32:     0x7fed9bfb6bf3 - __GI___clone
  33:                0x0 - <unknown>

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports

note: rustc 1.45.0-dev running on x86_64-unknown-linux-gnu

note: compiler flags: -Z save-analysis

query stack during panic:
end of query stack
error: aborting due to 2 previous errors

[Xanewok]

Does this still happen with (now merged) #72882?

[marmeladema]

I can confirm its fixed. We can probably close this issue.

[Xanewok]

Closing this, thanks for taking a look!