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Compiler panic on building Redox  #32783

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Closed
Compiler panic on building Redox #32783
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I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️regression-from-stable-to-nightlyPerformance or correctness regression from stable to nightly.

Description

@Viknet
Viknet
opened on Apr 6, 2016

I tried to build current Redox OS HEAD with last available rustc-nightly and got an ICE.

Meta

rustc --version --verbose:

rustc 1.9.0-nightly (241a9d0dd 2016-04-05)
binary: rustic
commit-hash: 241a9d0ddf99fd40d273c615e9b1e8ce6052d94a
commit-date: 2016-04-05
host: x86_64-apple-darwin
release: 1.9.0-nightly

Backtrace:

❯❯❯ make qemu                                                                                                                                                ⏎ master
RUST_BACKTRACE=1 rustc --target=i386-unknown-redox.json -L build/i386-unknown-redox/debug -C no-prepopulate-passes -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead_code -C ar=i386-elf-ar -C linker=i386-elf-gcc -o build/i386-unknown-redox/debug/libstd.rlib libstd/src/lib.rs -L native=libc/lib/
error: internal compiler error: ../src/librustc_metadata/encoder.rs:220: encode_symbol: id not found 49044
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: run with `RUST_BACKTRACE=1` for a backtrace
thread 'rustc' panicked at 'Box<Any>', ../src/libsyntax/errors/mod.rs:575
stack backtrace:
   1:        0x110b66978 - std::sys::backtrace::tracing::imp::write::h714760a4c8c0cdd8
   2:        0x110b72dc5 - std::panicking::default_hook::_$u7b$$u7b$closure$u7d$$u7d$::hff309ab1d83ffd90
   3:        0x110b728fd - std::panicking::default_hook::h08ad3bb09872855b
   4:        0x110b36196 - std::sys_common::unwind::begin_unwind_inner::h406d5f1a330b854b
   5:        0x110113cea - std::sys_common::unwind::begin_unwind::hb10e2b9ef92fd4a6
   6:        0x110113b19 - syntax::errors::Handler::bug::h112319de7e910c9e
   7:        0x10f494c9c - rustc::session::opt_span_bug_fmt::_$u7b$$u7b$closure$u7d$$u7d$::h2c926d3e6a2eb430
   8:        0x10f494b01 - rustc::session::opt_span_bug_fmt::he2c7fbeab8bf3d1d
   9:        0x10f4a36a9 - rustc::session::bug_fmt::h9f67e9cd7aa5a073
  10:        0x10cab64f0 - rustc_metadata::encoder::encode_symbol::h165ac8a162612975
  11:        0x10cac310b - rustc_metadata::encoder::encode_info_for_item::hfab1a46f9bf30c3c
  12:        0x10cac9c71 - rustc::front::map::Map::with_path_next::h6ba163a93b4eab46
  13:        0x10cac9ca4 - rustc::front::map::Map::with_path_next::h6ba163a93b4eab46
  14:        0x10cac9ca4 - rustc::front::map::Map::with_path_next::h6ba163a93b4eab46
  15:        0x10caccd4e - _<encoder..EncodeVisitor<'a, 'b, 'c, 'tcx> as rustc_front..intravisit..Visitor<'tcx>>::visit_item::h1cde6db68ffd78b8
  16:        0x10cad3f5d - rustc_metadata::encoder::encode_metadata_inner::hcfb24759120a6c88
  17:        0x10cacfb19 - rustc_metadata::encoder::encode_metadata::ha3e422357afb6bf6
  18:        0x10cb2c07f - rustc_metadata::csearch::_<impl rustc..middle..cstore..CrateStore<'tcx> for cstore..CStore>::encode_metadata::h88a2f338ac9ea48a
  19:        0x10ccafee2 - rustc_trans::base::trans_crate::_$u7b$$u7b$closure$u7d$$u7d$::h6042c55692ac48ec
  20:        0x10cca1dfd - rustc_trans::base::trans_crate::h45d3e3b1384148fb
  21:        0x10c24fce0 - rustc_driver::driver::phase_4_translate_to_llvm::h8d5ab3a4d94eae6a
  22:        0x10c24e434 - rustc_driver::driver::compile_input::_$u7b$$u7b$closure$u7d$$u7d$::hd32acfaba89541b2
  23:        0x10c24b02d - rustc_driver::driver::phase_3_run_analysis_passes::_$u7b$$u7b$closure$u7d$$u7d$::h1692b932d4d7b15b
  24:        0x10c2451a5 - rustc::ty::context::TyCtxt::create_and_enter::h926ea4fe45f15d00
  25:        0x10c241ba5 - rustc_driver::driver::phase_3_run_analysis_passes::h3c035e5cf4758407
  26:        0x10c215af1 - rustc_driver::driver::compile_input::h650fe5b01cb8d74d
  27:        0x10c1fc04f - rustc_driver::run_compiler::h68d23e0e9b7b247d
  28:        0x10c1f93e2 - std::sys_common::unwind::try::try_fn::h67fde221a73148bc
  29:        0x110b63fdb - __rust_try
  30:        0x110b63f63 - std::sys_common::unwind::inner_try::h4e97625a08807651
  31:        0x10c1f9c79 - _<F as std..boxed..FnBox<A>>::call_box::hc8936fa120642c49
  32:        0x110b71c88 - std::sys::thread::Thread::new::thread_start::h74af400293164137
  33:     0x7fff9f86399c - _pthread_body
  34:     0x7fff9f863919 - _pthread_start

make: *** [build/i386-unknown-redox/debug/libstd.rlib] Error 101

Activity

  1. jackpot51 commented on Apr 7, 2016

    @jackpot51
    jackpot51
    on Apr 7, 2016
    Contributor

    We are getting this in Redox travis too:

    https://travis-ci.org/redox-os/redox/builds/121316042

    It looks like it affects OS X and FreeBSD as well as Linux

    https://github.com/redox-os/redox/issues/606#issuecomment-206649111

  2. Viknet commented on Apr 7, 2016

    @Viknet
    Viknet
    on Apr 7, 2016
    Author

    Older version of rustc doesn't have this error:
    rustc --version --verbose

    rustc 1.9.0-nightly (e1195c24b 2016-03-31)
binary: rustc
commit-hash: e1195c24bb567019d7cdc65bf5a4c642e38475d1
commit-date: 2016-03-31
host: x86_64-apple-darwin
release: 1.9.0-nightly

  3. johalun commented on Apr 7, 2016

    @johalun
    johalun
    on Apr 7, 2016

    Got problems here as well.

    JMBA:redox johannes$ rustc -V
rustc 1.9.0-nightly (241a9d0dd 2016-04-05)

    error: internal compiler error: ../src/librustc_metadata/encoder.rs:220: encode_symbol: id not found 49044
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: run with RUST_BACKTRACE=1 for a backtrace
thread 'rustc' panicked at 'Box<Any>', ../src/libsyntax/errors/mod.rs:575
stack backtrace:
   1:        0x10f734978 - std::sys::backtrace::tracing::imp::write::h714760a4c8c0cdd8
   2:        0x10f740dc5 - std::panicking::defaulthook::$u7b$$u7b$closure$u7d$$u7d$::hff309ab1d83ffd90
   3:        0x10f7408fd - std::panicking::default_hook::h08ad3bb09872855b
   4:        0x10f704196 - std::sys_common::unwind::begin_unwind_inner::h406d5f1a330b854b
   5:        0x10ece5cea - std::sys_common::unwind::begin_unwind::hb10e2b9ef92fd4a6
   6:        0x10ece5b19 - syntax::errors::Handler::bug::h112319de7e910c9e
   7:        0x10e072c9c - rustc::session::opt_span_bugfmt::$u7b$$u7b$closure$u7d$$u7d$::h2c926d3e6a2eb430
   8:        0x10e072b01 - rustc::session::opt_span_bug_fmt::he2c7fbeab8bf3d1d
   9:        0x10e0816a9 - rustc::session::bug_fmt::h9f67e9cd7aa5a073
  10:        0x10b68a4f0 - rustc_metadata::encoder::encode_symbol::h165ac8a162612975
  11:        0x10b69710b - rustc_metadata::encoder::encode_info_for_item::hfab1a46f9bf30c3c
  12:        0x10b69dc71 - rustc::front::map::Map::with_path_next::h6ba163a93b4eab46
  13:        0x10b69dca4 - rustc::front::map::Map::with_path_next::h6ba163a93b4eab46
  14:        0x10b69dca4 - rustc::front::map::Map::with_pathnext::h6ba163a93b4eab46
  15:        0x10b6a0d4e - <encoder..EncodeVisitor<'a, 'b, 'c, 'tcx> as rustc_front..intravisit..Visitor<'tcx>>::visit_item::h1cde6db68ffd78b8
  16:        0x10b6a7f5d - rustc_metadata::encoder::encode_metadata_inner::hcfb24759120a6c88
  17:        0x10b6a3b19 - rustc_metadata::encoder::encode_metadata::ha3e422357afb6bf6
  18:        0x10b70007f - rustcmetadata::csearch::<impl rustc..middle..cstore..CrateStore<'tcx> for cstore..CStore>::encode_metadata::h88a2f338ac9ea48a
  19:        0x10b885ee2 - rustc_trans::base::transcrate::$u7b$$u7b$closure$u7d$$u7d$::h6042c55692ac48ec
  20:        0x10b877dfd - rustc_trans::base::trans_crate::h45d3e3b1384148fb
  21:        0x10ae1cce0 - rustc_driver::driver::phase_4_translate_to_llvm::h8d5ab3a4d94eae6a
  22:        0x10ae1b434 - rustc_driver::driver::compileinput::$u7b$$u7b$closure$u7d$$u7d$::hd32acfaba89541b2
  23:        0x10ae1802d - rustc_driver::driver::phase_3_run_analysispasses::$u7b$$u7b$closure$u7d$$u7d$::h1692b932d4d7b15b
  24:        0x10ae121a5 - rustc::ty::context::TyCtxt::create_and_enter::h926ea4fe45f15d00
  25:        0x10ae0eba5 - rustc_driver::driver::phase_3_run_analysis_passes::h3c035e5cf4758407
  26:        0x10ade2af1 - rustc_driver::driver::compile_input::h650fe5b01cb8d74d
  27:        0x10adc904f - rustc_driver::run_compiler::h68d23e0e9b7b247d
  28:        0x10adc63e2 - std::sys_common::unwind::try::try_fn::h67fde221a73148bc
  29:        0x10f731fdb - __rust_try
  30:        0x10f731f63 - std::sys_common::unwind::innertry::h4e97625a08807651
  31:        0x10adc6c79 - <F as std..boxed..FnBox<A>>::call_box::hc8936fa120642c49
  32:        0x10f73fc88 - std::sys::thread::Thread::new::thread_start::h74af400293164137
  33:     0x7fff9302199c - _pthread_body
  34:     0x7fff93021919 - _pthread_start

make: * [build/i386-unknown-redox/debug/libstd.rlib] Error 101

  4. johalun commented on Apr 7, 2016

    @johalun
    johalun
    on Apr 7, 2016
    JMBA:redox johannes$ multirust override nightly-2016-04-05
...
JMBA:redox johannes$ rustc -V
rustc 1.9.0-nightly (600dc3552 2016-04-04)

    make all in redox succeeds

    JMBA:redox johannes$ multirust override nightly-2016-04-06
...
JMBA:redox johannes$ rustc -V
rustc 1.9.0-nightly (241a9d0dd 2016-04-05)

    make all in redox fails

  5. arielb1
    added
    I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
    I-nominated
    regression-from-stable-to-nightlyPerformance or correctness regression from stable to nightly.
    on Apr 7, 2016

  6. pthariensflame commented on Apr 8, 2016

    @pthariensflame
    pthariensflame
    on Apr 8, 2016
    Contributor

    Same here. rustc -V responds with rustc 1.9.0-nightly (7979dd608 2016-04-07) and make all produces:

    mkdir -p build/i386-unknown-redox/debug
RUST_BACKTRACE=1 rustc --target=i386-unknown-redox.json -L build/i386-unknown-redox/debug -C no-prepopulate-passes -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead_code -C ar=i386-elf-ar -C linker=i386-elf-gcc -o build/i386-unknown-redox/debug/libcore.rlib rust/src/libcore/lib.rs
RUST_BACKTRACE=1 rustc --target=i386-unknown-redox.json -L build/i386-unknown-redox/debug -C no-prepopulate-passes -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead_code -C ar=i386-elf-ar -C linker=i386-elf-gcc -o build/i386-unknown-redox/debug/libio.rlib crates/io/lib.rs
RUST_BACKTRACE=1 rustc --target=i386-unknown-redox.json -L build/i386-unknown-redox/debug -C no-prepopulate-passes -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead_code -C ar=i386-elf-ar -C linker=i386-elf-gcc -o build/i386-unknown-redox/debug/liballoc_system.rlib liballoc_system/lib.rs
RUST_BACKTRACE=1 rustc --target=i386-unknown-redox.json -L build/i386-unknown-redox/debug -C no-prepopulate-passes -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead_code -C ar=i386-elf-ar -C linker=i386-elf-gcc -o build/i386-unknown-redox/debug/liballoc.rlib rust/src/liballoc/lib.rs
RUST_BACKTRACE=1 rustc --target=i386-unknown-redox.json -L build/i386-unknown-redox/debug -C no-prepopulate-passes -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead_code -C ar=i386-elf-ar -C linker=i386-elf-gcc -o build/i386-unknown-redox/debug/librustc_unicode.rlib rust/src/librustc_unicode/lib.rs
RUST_BACKTRACE=1 rustc --target=i386-unknown-redox.json -L build/i386-unknown-redox/debug -C no-prepopulate-passes -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead_code -C ar=i386-elf-ar -C linker=i386-elf-gcc -o build/i386-unknown-redox/debug/libcollections.rlib rust/src/libcollections/lib.rs
RUST_BACKTRACE=1 rustc --target=i386-unknown-redox.json -L build/i386-unknown-redox/debug -C no-prepopulate-passes -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead_code -C ar=i386-elf-ar -C linker=i386-elf-gcc -o build/i386-unknown-redox/debug/librand.rlib rust/src/librand/lib.rs
RUST_BACKTRACE=1 rustc --target=i386-unknown-redox.json -L build/i386-unknown-redox/debug -C no-prepopulate-passes -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead_code -C ar=i386-elf-ar -C linker=i386-elf-gcc -o build/i386-unknown-redox/debug/libsystem.rlib crates/system/lib.rs
RUST_BACKTRACE=1 rustc --target=i386-unknown-redox.json -L build/i386-unknown-redox/debug -C no-prepopulate-passes -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead_code -C ar=i386-elf-ar -C linker=i386-elf-gcc -o build/i386-unknown-redox/debug/libstd.rlib libstd/src/lib.rs -L native=libc/lib/
error: internal compiler error: ../src/librustc_metadata/encoder.rs:218: encode_symbol: id not found 49044
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: run with `RUST_BACKTRACE=1` for a backtrace
thread 'rustc' panicked at 'Box<Any>', ../src/libsyntax/errors/mod.rs:575
stack backtrace:
   1:        0x10b8e4838 - std::sys::backtrace::tracing::imp::write::h714760a4c8c0cdd8
   2:        0x10b8f0c75 - std::panicking::default_hook::_$u7b$$u7b$closure$u7d$$u7d$::hff309ab1d83ffd90
   3:        0x10b8f07af - std::panicking::default_hook::h08ad3bb09872855b
   4:        0x10b8b5396 - std::sys_common::unwind::begin_unwind_inner::h406d5f1a330b854b
   5:        0x10aeadc3a - std::sys_common::unwind::begin_unwind::hb10e2b9ef92fd4a6
   6:        0x10aeada69 - syntax::errors::Handler::bug::h112319de7e910c9e
   7:        0x10a26babc - rustc::session::opt_span_bug_fmt::_$u7b$$u7b$closure$u7d$$u7d$::h2c926d3e6a2eb430
   8:        0x10a26b921 - rustc::session::opt_span_bug_fmt::he2c7fbeab8bf3d1d
   9:        0x10a282119 - rustc::session::bug_fmt::h9f67e9cd7aa5a073
  10:        0x10754e9c0 - rustc_metadata::encoder::encode_symbol::h165ac8a162612975
  11:        0x10755a1d3 - rustc_metadata::encoder::encode_info_for_item::h60f93cd3dd34a5cf
  12:        0x10756a42d - rustc_metadata::encoder::encode_metadata_inner::ha8580aa6ef04664a
  13:        0x107565fe9 - rustc_metadata::encoder::encode_metadata::h4120aac9f1041ba6
  14:        0x1075c1a1f - rustc_metadata::csearch::_<impl rustc..middle..cstore..CrateStore<'tcx> for cstore..CStore>::encode_metadata::he92619b644b6d919
  15:        0x107947262 - rustc_trans::base::trans_crate::_$u7b$$u7b$closure$u7d$$u7d$::h6042c55692ac48ec
  16:        0x107939f0d - rustc_trans::base::trans_crate::h45d3e3b1384148fb
  17:        0x106fcf3aa - rustc_driver::driver::phase_4_translate_to_llvm::h8d5ab3a4d94eae6a
  18:        0x106fcdb5c - rustc_driver::driver::compile_input::_$u7b$$u7b$closure$u7d$$u7d$::hd32acfaba89541b2
  19:        0x106fca4ed - rustc_driver::driver::phase_3_run_analysis_passes::_$u7b$$u7b$closure$u7d$$u7d$::h8148bf3bd7eb17b2
  20:        0x106fc40a5 - rustc::ty::context::TyCtxt::create_and_enter::h963727672a0d2ef1
  21:        0x106fc0aac - rustc_driver::driver::phase_3_run_analysis_passes::h035bf2dff707c080
  22:        0x106f946e1 - rustc_driver::driver::compile_input::h650fe5b01cb8d74d
  23:        0x106f7aeff - rustc_driver::run_compiler::h68d23e0e9b7b247d
  24:        0x106f78292 - std::sys_common::unwind::try::try_fn::h67fde221a73148bc
  25:        0x10b8e1fcb - __rust_try
  26:        0x10b8e1f53 - std::sys_common::unwind::inner_try::h4e97625a08807651
  27:        0x106f78b29 - _<F as std..boxed..FnBox<A>>::call_box::hc8936fa120642c49
  28:        0x10b8efb48 - std::sys::thread::Thread::new::thread_start::h74af400293164137
  29:     0x7fff8626f99c - _pthread_body
  30:     0x7fff8626f919 - _pthread_start

Makefile:434: recipe for target 'build/i386-unknown-redox/debug/libstd.rlib' failed
make: *** [build/i386-unknown-redox/debug/libstd.rlib] Error 101

    Current redox commit is 53146f4ee9e5030b467990baae214c3ebeb37c98.

  7. joeabbey commented on Apr 9, 2016

    @joeabbey
    joeabbey
    on Apr 9, 2016

    FWIW, also seeing the above reported issue

    RUST_BACKTRACE=1 rustc --target=i386-unknown-redox.json -L build/i386-unknown-redox/debug -C no-prepopulate-passes -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead_code -C ar=i386-elf-ar -C linker=i386-elf-gcc -o build/i386-unknown-redox/debug/libstd.rlib libstd/src/lib.rs -L native=libc/lib/
error: internal compiler error: ../src/librustc_metadata/encoder.rs:218: encode_symbol: id not found 49044
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: run with `RUST_BACKTRACE=1` for a backtrace
thread 'rustc' panicked at 'Box<Any>', ../src/libsyntax/errors/mod.rs:575
stack backtrace:
   1:        0x11252d838 - std::sys::backtrace::tracing::imp::write::h714760a4c8c0cdd8
   2:        0x112539c75 - std::panicking::default_hook::_$u7b$$u7b$closure$u7d$$u7d$::hff309ab1d83ffd90
   3:        0x1125397af - std::panicking::default_hook::h08ad3bb09872855b
   4:        0x1124fe396 - std::sys_common::unwind::begin_unwind_inner::h406d5f1a330b854b
   5:        0x111b06c3a - std::sys_common::unwind::begin_unwind::hb10e2b9ef92fd4a6
   6:        0x111b06a69 - syntax::errors::Handler::bug::h112319de7e910c9e
   7:        0x110ed6abc - rustc::session::opt_span_bug_fmt::_$u7b$$u7b$closure$u7d$$u7d$::h2c926d3e6a2eb430
   8:        0x110ed6921 - rustc::session::opt_span_bug_fmt::he2c7fbeab8bf3d1d
   9:        0x110eed119 - rustc::session::bug_fmt::h9f67e9cd7aa5a073
  10:        0x10e1c59c0 - rustc_metadata::encoder::encode_symbol::h165ac8a162612975
  11:        0x10e1d11d3 - rustc_metadata::encoder::encode_info_for_item::h60f93cd3dd34a5cf
  12:        0x10e1e142d - rustc_metadata::encoder::encode_metadata_inner::ha8580aa6ef04664a
  13:        0x10e1dcfe9 - rustc_metadata::encoder::encode_metadata::h4120aac9f1041ba6
  14:        0x10e238a1f - rustc_metadata::csearch::_<impl rustc..middle..cstore..CrateStore<'tcx> for cstore..CStore>::encode_metadata::he92619b644b6d919
  15:        0x10e5bd262 - rustc_trans::base::trans_crate::_$u7b$$u7b$closure$u7d$$u7d$::h6042c55692ac48ec
  16:        0x10e5aff0d - rustc_trans::base::trans_crate::h45d3e3b1384148fb
  17:        0x10dc4d3aa - rustc_driver::driver::phase_4_translate_to_llvm::h8d5ab3a4d94eae6a
  18:        0x10dc4bb5c - rustc_driver::driver::compile_input::_$u7b$$u7b$closure$u7d$$u7d$::hd32acfaba89541b2
  19:        0x10dc484ed - rustc_driver::driver::phase_3_run_analysis_passes::_$u7b$$u7b$closure$u7d$$u7d$::h8148bf3bd7eb17b2
  20:        0x10dc420a5 - rustc::ty::context::TyCtxt::create_and_enter::h963727672a0d2ef1
  21:        0x10dc3eaac - rustc_driver::driver::phase_3_run_analysis_passes::h035bf2dff707c080
  22:        0x10dc126e1 - rustc_driver::driver::compile_input::h650fe5b01cb8d74d
  23:        0x10dbf8eff - rustc_driver::run_compiler::h68d23e0e9b7b247d
  24:        0x10dbf6292 - std::sys_common::unwind::try::try_fn::h67fde221a73148bc
  25:        0x11252afcb - __rust_try
  26:        0x11252af53 - std::sys_common::unwind::inner_try::h4e97625a08807651
  27:        0x10dbf6b29 - _<F as std..boxed..FnBox<A>>::call_box::hc8936fa120642c49
  28:        0x112538b48 - std::sys::thread::Thread::new::thread_start::h74af400293164137
  29:     0x7fff8f80199c - _pthread_body
  30:     0x7fff8f801919 - _pthread_start

  8. nikomatsakis commented on Apr 12, 2016

    @nikomatsakis
    nikomatsakis
    on Apr 12, 2016
    Contributor

    What is the simplest way for me to reproduce this problem? Does anyone have a narrowed test case of any kind? The instructions at https://github.com/redox-os/redox seem complex (run some script, run qemu etc) -- it'd be great if there were some rust file I could build without all those steps. Any tips?

  9. Viknet commented on Apr 12, 2016

    @Viknet
    Viknet
    on Apr 12, 2016
    Author

    I'm sure, you can just clone Redox repo (git clone git@github.com:redox-os/redox.git --origin upstream --recursive; git submodule update --recursive --init), install nasm and try to build project (make all).
    It will fail pretty early on compiling redox/libstd.

  10. pmarcelll commented on Apr 13, 2016

    @pmarcelll
    pmarcelll
    on Apr 13, 2016
    Contributor

    Based on @yohanesu75's comment, I examined the commits between the two nightlies, and the most suspicious was #32742. I've built a version of rustc based on e8ab71f (right before the merge), compiled Redox succesfully, built another version based on 953c3b5 (merge commit of #32742), with which I was able to reproduce the ICE.

    cc @eddyb

  11. jackpot51 commented on Apr 14, 2016

    @jackpot51
    jackpot51
    on Apr 14, 2016
    Contributor

    Very interesting @pmarcelll. I am working to find the code in libstd that triggers it

  12. jackpot51 commented on Apr 14, 2016

    @jackpot51
    jackpot51
    on Apr 14, 2016
    Contributor

    I found it, it is alloc_system.rs

    Trying to find a fix, the file can be seen here: https://github.com/redox-os/redox/blob/master/libstd/src/alloc_system.rs

  13. eddyb commented on Apr 14, 2016

    @eddyb
    eddyb
    on Apr 14, 2016
    Contributor

    @pmarcelll I see what the problem is. Writing the test is going to be the tricky part, I believe I need two extern { fn ... } items using the same symbol, exported from the crate and used in another crate.

  14. bors
    closed this as completedin #32946on Apr 16, 2016
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    I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️regression-from-stable-to-nightlyPerformance or correctness regression from stable to nightly.

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