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Internal compiler error: trait B < A > { fn a() -> A { self.a} } #5099

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nielsle opened this issue Feb 24, 2013 · 2 comments
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Internal compiler error: trait B < A > { fn a() -> A { self.a} } #5099

nielsle opened this issue Feb 24, 2013 · 2 comments
Labels
A-traits Area: Trait system I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
Milestone
0.6

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@nielsle
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nielsle commented Feb 24, 2013

The following program causes a compiler error

trait B < A > { fn a() -> A { self.a} }

niels@ellegaard:~/slettes $ rustc --version
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/rustc 0.5
(8554d5e 2012-12-19 21:52:03 -0700)
host: x86_64-unknown-linux-gnu

niels@ellegaard:~/slettes $ cat tests.rs
trait B < A > { fn a() -> A { self.a} }

niels@ellegaard:~/slettes $ rustc tests.rs
error: internal compiler error: unexpected failure
note: the compiler hit an unexpected failure path. this is a bug
note: try running with RUST_LOG=rustc=1,::rt::backtrace to get further details and report the results to github.com/mozilla/rust/issues

niels@ellegaard:/slettes $ export RUST_LOG=rustc=1,::rt::backtrace
niels@ellegaard:/slettes $ rustc tests.rs
rust: task failed at 'index out of bounds: the len is 0 but the index is 0', /home/rustbuild/src/rustbot/workspace-snap-stage3-x86_64-unknown-linux-gnu/src/src/librustc/middle/ty.rs:1582
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(_ZN9rust_task13begin_failureEPKcS1_m+0x4f)[0x7f1fa8d5583f]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(+0x2bb11)[0x7f1fa8d68b11]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(upcall_fail+0x1d3)[0x7f1fa8d58d93]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0xa1f3b)[0x7f1faa504f3b]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0x3724e)[0x7f1faa49a24e]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(_ZN2rt20rt_fail_bounds_check17_6e1eda81bf4aba343_05E+0x19b)[0x7f1faa4a1bab]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x2e721b)[0x7f1fa927f21b]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6middle2ty19fold_regions_and_ty16_f54a62363da4ac23_05E+0x695)[0x7f1fa927ce05]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x2e7204)[0x7f1fa927f204]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6middle2ty5subst17_4427afe6803fad763_05E+0x2fb)[0x7f1fa914dc8b]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6middle6typeck5check14__extensions__10meth_4779315write_ty_substs15_620eddf78c942c3_05E+0x7c)[0x7f1fa937dcec]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6middle6typeck5check6method14__extensions__10meth_4774817confirm_candidate16_bbe5853d7f2b55e3_05E+0x62e)[0x7f1fa937c9ce]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6middle6typeck5check6method14__extensions__10meth_4765419consider_candidates14_c9c86cccf1c843_05E+0x6bf)[0x7f1fa937b2ef]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6middle6typeck5check6method14__extensions__10meth_4759117search_for_method16_42b4bf4d3be0b423_05E+0x339)[0x7f1fa9379099]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6middle6typeck5check6method14__extensions__10meth_4732328search_for_autoderefd_method17_1b1643c6e428ad6f3_05E+0x74)[0x7f1fa9370604]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6middle6typeck5check6method14__extensions__10meth_472739do_lookup16_42b4bf4d3be0b423_05E+0x745)[0x7f1fa936ed25]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x7834ec)[0x7f1fa971b4ec]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6middle6typeck5check6method6lookup17_e4249ed78bca28f23_05E+0x179)[0x7f1fa936dc49]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x43a704)[0x7f1fa93d2704]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x426fe4)[0x7f1fa93befe4]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x7834ec)[0x7f1fa971b4ec]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x38e4dd)[0x7f1fa93264dd]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x3edcb9)[0x7f1fa9385cb9]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x3ec237)[0x7f1fa9384237]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x3f2234)[0x7f1fa938a234]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x3ea9dc)[0x7f1fa93829dc]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libsyntax-84efebcb12c867a2-0.5.so(+0xb7da5)[0x7f1fa9bf8da5]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libsyntax-84efebcb12c867a2-0.5.so(+0xb7a04)[0x7f1fa9bf8a04]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6middle6typeck5check16check_item_types16_ef87a212ee1c1893_05E+0x447)[0x7f1fa9381447]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6middle6typeck11check_crate16_233d7ed98ff43893_05E+0x1b9)[0x7f1fa948c509]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x7834ec)[0x7f1fa971b4ec]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6driver6driver12compile_upto16_2b485a272c743d53_05E+0x1726)[0x7f1fa96e14b6]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x7834ec)[0x7f1fa971b4ec]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN6driver6driver13compile_input17_14b7675443fceb433_05E+0xbb)[0x7f1fa96e47eb]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN12run_compiler16_2977651ce4ea1243_05E+0x2459)[0x7f1fa9714269]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x7834ec)[0x7f1fa971b4ec]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x782203)[0x7f1fa971a203]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x78126c)[0x7f1fa971926c]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0x7b360)[0x7f1faa4de360]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0xb2650)[0x7f1faa515650]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(_Z18task_start_wrapperP10spawn_args+0x24)[0x7f1fa8d56864]
error: internal compiler error: unexpected failure
note: the compiler hit an unexpected failure path. this is a bug
note: try running with RUST_LOG=rustc=1,::rt::backtrace to get further details and report the results to github.com/mozilla/rust/issues
rust: task failed at 'explicit failure', /home/rustbuild/src/rustbot/workspace-snap-stage3-x86_64-unknown-linux-gnu/src/src/librustc/rustc.rc:425
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(_ZN9rust_task13begin_failureEPKcS1_m+0x4f)[0x7f1fa8d5583f]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(+0x2bb11)[0x7f1fa8d68b11]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(upcall_fail+0x1d3)[0x7f1fa8d58d93]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0xa1f3b)[0x7f1faa504f3b]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0x3724e)[0x7f1faa49a24e]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0xb2650)[0x7f1faa515650]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN7monitor17_b0fffbf1e4d4325c3_05E+0x29de)[0x7f1fa971822e]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(+0x7834ec)[0x7f1fa971b4ec]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-c84825241471686d-0.5.so(_ZN4main16_2fb85b4a659c4103_05E+0x86)[0x7f1fa971b0f6]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(_Z18task_start_wrapperP10spawn_args+0x24)[0x7f1fa8d56864]
rust: domain main @0x6541f0 root task failed
rust: task failed at 'killed', /home/rustbuild/src/rustbot/workspace-snap-stage3-x86_64-unknown-linux-gnu/src/src/libcore/task/mod.rs:570
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(_ZN9rust_task13begin_failureEPKcS1_m+0x4f)[0x7f1fa8d5583f]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(+0x2bb11)[0x7f1fa8d68b11]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(upcall_fail+0x1d3)[0x7f1fa8d58d93]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0xa1f3b)[0x7f1faa504f3b]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0x3724e)[0x7f1faa49a24e]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(_ZN4task5yield17_56812fae66173efd3_05E+0xbd)[0x7f1faa4c6f5d]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0x90d06)[0x7f1faa4f3d06]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0xb2650)[0x7f1faa515650]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(_ZN7private11weaken_task16_d215ceff51755b63_05E+0xd9)[0x7f1faa4f3b49]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0x90a3b)[0x7f1faa4f3a3b]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0x8b61e)[0x7f1faa4ee61e]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0x7b360)[0x7f1faa4de360]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/libcore-c3ca5d77d81b46c1-0.5.so(+0xb2650)[0x7f1faa515650]
/home/niels/local/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(_Z18task_start_wrapperP10spawn_args+0x24)[0x7f1fa8d56864]
@catamorphism
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Still ICEs as of 33e7a1f

@ghost ghost assigned catamorphism Feb 28, 2013
@catamorphism
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Appears to have been fixed; I queued up a test case to add. Closing.

bors added a commit to rust-lang-ci/rust that referenced this issue May 2, 2020
@bors
Auto merge of rust-lang#5099 - JohnTitor:split-up-non-copy-const, r=f…
5b42a76 
…lip1995

Split up `non_copy_const` ui test

Part of rust-lang#2038
Maybe there is a better way to avoid duplications of constants.

changelog: none
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A-traits Area: Trait system I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
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