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Trevor Gross 289fe36d37 Print thread ID in panic message if thread name is unknown 
`panic!` does not print any identifying information for threads that are
unnamed. However, in many cases, the thread ID can be determined.

This changes the panic message from something like this:

    thread '<unnamed>' panicked at src/main.rs:3:5:
    explicit panic

To something like this:

    thread '<unnamed>' (0xff9bf) panicked at src/main.rs:3:5:
    explicit panic

Stack overflow messages are updated as well.

This change applies to both named and unnamed threads. The ID printed is
the OS integer thread ID rather than the Rust thread ID, which should
also be what debuggers print.
2025-08-06 23:59:47 +00:00
..
alignment tests: Require run-fail ui tests to have an exit code (SIGABRT not ok) 2025-07-19 18:44:07 +02:00
auxiliary Mark foo as explicitly inline. 2024-05-04 19:27:27 +00:00
enum tests: Require run-fail ui tests to have an exit code (SIGABRT not ok) 2025-07-19 18:44:07 +02:00
lint Print thread ID in panic message if thread name is unknown 2025-08-06 23:59:47 +00:00
mir-inlining Fix mismatched quotation mark 2024-10-17 00:16:19 +08:00
null tests: Require run-fail ui tests to have an exit code (SIGABRT not ok) 2025-07-19 18:44:07 +02:00
validate Ban projecting into SIMD types [MCP838] 2025-07-20 10:22:09 -07:00
build-async-error-body-correctly.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
build-async-error-body-correctly.stderr Show number in error message even for one error 2023-11-24 19:15:52 +01:00
checks_without_panic_impl.rs tests: use minicore more 2025-02-24 09:26:54 +00:00
clone-canonicalization-miscompile-132353.rs Add a regression test for #132353 2024-10-31 13:12:22 +08:00
const_eval_select_cycle.rs Teach MIR inliner query cycle avoidance about const_eval_select 2024-04-04 00:10:52 -04:00
debug-ref-undef.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
drop-elaboration-after-borrowck-error.rs Taint borrowck results without running any borrowck if the MIR body was already tainted 2024-02-08 07:39:49 +00:00
drop-elaboration-after-borrowck-error.stderr Taint borrowck results without running any borrowck if the MIR body was already tainted 2024-02-08 07:39:49 +00:00
dyn_metadata_sroa.rs Stop SRoA'ing DynMetadata in MIR 2024-05-25 00:44:47 -07:00
early-otherwise-branch-ice.rs Add regression test for #130769 2024-09-24 08:56:41 +00:00
enable_passes_validation.all_unknown.stderr Validate and test -Zmir-enable-passes 2024-11-12 13:28:05 +00:00
enable_passes_validation.empty.stderr Validate and test -Zmir-enable-passes 2024-11-12 13:28:05 +00:00
enable_passes_validation.mixed.stderr Validate and test -Zmir-enable-passes 2024-11-12 13:28:05 +00:00
enable_passes_validation.rs UI tests: add missing diagnostic kinds where possible 2025-04-08 23:06:31 +03:00
enable_passes_validation.unprefixed.stderr Validate and test -Zmir-enable-passes 2024-11-12 13:28:05 +00:00
field-projection-invariant.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
field-projection-mutating-context.rs only require sub type relation on field projection types 2023-02-12 23:18:15 +01:00
field-projection-mutating-context.stderr recurse into refs when comparing tys for diagnostics 2023-12-07 23:00:46 -05:00
field-projection-mutating-context2.rs only require sub type relation on field projection types 2023-02-12 23:18:15 +01:00
field-projection-mutating-context2.stderr Show number in error message even for one error 2023-11-24 19:15:52 +01:00
field-ty-ascription-enums.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
field-ty-ascription.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
gvn-nonsensical-coroutine-layout.rs Move crashes tests. 2025-07-02 10:51:40 +00:00
gvn-nonsensical-coroutine-layout.stderr Move crashes tests. 2025-07-02 10:51:40 +00:00
gvn-nonsensical-sized-str.rs Move crashes tests. 2025-07-02 10:51:40 +00:00
gvn-nonsensical-sized-str.stderr Move crashes tests. 2025-07-02 10:51:40 +00:00
ice-mir-const-qualif-125837.rs Add test 2024-07-21 21:42:10 +08:00
ice-mir-const-qualif-125837.stderr Add test 2024-07-21 21:42:10 +08:00
important-higher-ranked-regions.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
inline-causes-trimmed-paths.rs Do not trim paths in MIR validator 2025-03-27 17:45:02 +00:00
inline-wrong-abi.rs Remove polymorphization 2024-12-06 16:42:09 -05:00
inline-wrong-abi.stderr Check that the ABI of the instance we are inlining is correct 2024-02-11 19:17:42 +00:00
issue-29227.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-46845.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-60390.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-66851.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-66930.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-67639-normalization-ice.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-67710-inline-projection.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-67947.rs Move /src/test to /tests 2023-01-11 09:32:08 +00:00
issue-67947.stderr Move /src/test to /tests 2023-01-11 09:32:08 +00:00
issue-68841.rs Stabilize async closures 2024-12-13 00:04:56 +00:00
issue-71793-inline-args-storage.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-73914.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-74739.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-75053.rs Remove attribute #[rustc_error] 2025-03-30 01:32:21 +03:00
issue-75419-validation-impl-trait.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-76248.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-76375.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-76740-copy-propagation.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-76803-branches-not-same.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-77002.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-77359-simplify-arm-identity.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-77911.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-78496.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-80949.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-83499-input-output-iteration-ice.rs compiler: Mention C-unwind in C-variadic error 2024-06-22 23:30:31 -07:00
issue-83499-input-output-iteration-ice.stderr compiler: Mention C-unwind in C-variadic error 2024-06-22 23:30:31 -07:00
issue-89485.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-91745.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-92893.rs Move let expression checking to parsing 2023-09-11 15:51:18 +00:00
issue-92893.stderr Show number in error message even for one error 2023-11-24 19:15:52 +01:00
issue-99852.rs Remove let_chains feature gate from even more tests 2025-04-18 15:57:29 +02:00
issue-99866.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-101844.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-102389.rs Move /src/test to /tests 2023-01-11 09:32:08 +00:00
issue-102389.stderr Mention when type parameter could be Clone 2024-04-24 22:21:15 +00:00
issue-105809.rs replace //@ compile-flags: --edition with //@ edition 2025-04-10 09:56:37 +02:00
issue-106062.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-106062.stderr Show diff suggestion format on verbose replacement 2025-02-10 20:21:39 +00:00
issue-107678-projection-with-lifetime.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-107691.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-109004-drop-large-array.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-109743.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-112269.rs Show note for type ascription interpreted as a constant pattern, not a new variable 2023-06-04 20:49:30 +08:00
issue-112269.stderr Trim suggestion parts to the subset that is purely additive 2025-02-14 00:44:10 -08:00
issue-121103.rs Reword "crate not found" resolve message 2025-01-24 01:19:50 +00:00
issue-121103.stderr Reword "crate not found" resolve message 2025-01-24 01:19:50 +00:00
issue66339.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
meaningless-bound.rs Also bail out if predicates contain errors. 2025-07-20 23:15:24 +00:00
meaningless-bound.stderr Also bail out if predicates contain errors. 2025-07-20 23:15:24 +00:00
mir-build-2021-closure-capture-ice-110453-1.rs add tests for ICE in mir building with captured value of unresolved type, None in compiler/rustc_mir_build/src/build/expr/as_place.rs #110453 2024-03-24 10:51:23 +01:00
mir-build-2021-closure-capture-ice-110453-1.stderr add tests for ICE in mir building with captured value of unresolved type, None in compiler/rustc_mir_build/src/build/expr/as_place.rs #110453 2024-03-24 10:51:23 +01:00
mir-build-2021-closure-capture-ice-110453-2.rs add tests for ICE in mir building with captured value of unresolved type, None in compiler/rustc_mir_build/src/build/expr/as_place.rs #110453 2024-03-24 10:51:23 +01:00
mir-build-2021-closure-capture-ice-110453-2.stderr add tests for ICE in mir building with captured value of unresolved type, None in compiler/rustc_mir_build/src/build/expr/as_place.rs #110453 2024-03-24 10:51:23 +01:00
mir-typeck-normalize-fn-sig.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_adt_construction.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_ascription_coercion.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_assign_eval_order.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_augmented_assignments.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_autoderef.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_build_match_comparisons.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_call_with_associated_type.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_calls_to_shims.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_cast_fn_ret.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_codegen_array.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_codegen_array_2.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_codegen_call_converging.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_codegen_calls.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_codegen_calls_converging_drops.rs tests: use needs-subprocess instead of ignore-{wasm32,emscripten,sgx} 2025-01-23 20:51:29 +08:00
mir_codegen_calls_converging_drops_2.rs tests: use needs-subprocess instead of ignore-{wasm32,emscripten,sgx} 2025-01-23 20:51:29 +08:00
mir_codegen_calls_diverging.rs tests: use needs-subprocess instead of ignore-{wasm32,emscripten,sgx} 2025-01-23 20:51:29 +08:00
mir_codegen_calls_diverging_drops.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_codegen_critical_edge.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_codegen_spike1.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_codegen_ssa.rs Reformat mir! macro invocations to use braces. 2024-06-03 13:24:44 +10:00
mir_codegen_switch.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_codegen_switchint.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_coercion_casts.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_coercions.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_const_prop_identity.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_const_prop_tuple_field_reorder.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_constval_adts.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_detects_invalid_ops.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_detects_invalid_ops.stderr Move /src/test to /tests 2023-01-11 09:32:08 +00:00
mir_drop_order.rs Add ignore-backends annotations in failing GCC backend ui tests 2025-07-23 13:48:04 +02:00
mir_drop_panics.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_dynamic_drops_1.rs tests: use needs-subprocess instead of ignore-{wasm32,emscripten,sgx} 2025-01-23 20:51:29 +08:00
mir_dynamic_drops_2.rs tests: use needs-subprocess instead of ignore-{wasm32,emscripten,sgx} 2025-01-23 20:51:29 +08:00
mir_dynamic_drops_3.rs tests: use needs-subprocess instead of ignore-{wasm32,emscripten,sgx} 2025-01-23 20:51:29 +08:00
mir_early_return_scope.rs Update tests for hidden references to mutable static 2024-09-13 14:10:56 +03:00
mir_fat_ptr.rs Replace elided_named_lifetimes with mismatched_lifetime_syntaxes 2025-06-04 10:40:04 -04:00
mir_fat_ptr_drop.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_heavy_promoted.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_indexing_oob_1.rs tests: use needs-subprocess instead of ignore-{wasm32,emscripten,sgx} 2025-01-23 20:51:29 +08:00
mir_indexing_oob_2.rs tests: use needs-subprocess instead of ignore-{wasm32,emscripten,sgx} 2025-01-23 20:51:29 +08:00
mir_indexing_oob_3.rs tests: use needs-subprocess instead of ignore-{wasm32,emscripten,sgx} 2025-01-23 20:51:29 +08:00
mir_let_chains_drop_order.rs Add ignore-backends annotations in failing GCC backend ui tests 2025-07-23 13:48:04 +02:00
mir_match_arm_guard.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_match_guard_let_chains_drop_order.rs Add ignore-backends annotations in failing GCC backend ui tests 2025-07-23 13:48:04 +02:00
mir_match_test.rs Stabilize exclusive_range 2024-05-02 19:42:31 -04:00
mir_misc_casts.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_overflow_off.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_query_cycle.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_raw_fat_ptr.rs stabilize raw_ref_op 2024-08-18 19:46:53 +02:00
mir_raw_fat_ptr.stderr stabilize raw_ref_op 2024-08-18 19:46:53 +02:00
mir_refs_correct.rs Allow unpredictable_function_pointer_comparisons lint in more places 2025-06-12 07:35:05 +02:00
mir_small_agg_arg.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_static_subtype.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_struct_with_assoc_ty.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_temp_promotions.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_void_return.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
mir_void_return_2.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
remove-zsts-query-cycle.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
simplify-branch-same.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
sized-slice-predicate-116721.rs Move crash test. 2024-06-29 10:42:31 +00:00
ssa-analysis-regression-50041.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
ssa_call_ret.rs Reformat mir! macro invocations to use braces. 2024-06-03 13:24:44 +10:00
static-by-value-dyn.rs Do not assert layout in KnownPanicsLint. 2025-07-25 02:27:30 +00:00
static-by-value-dyn.stderr Do not assert layout in KnownPanicsLint. 2025-07-25 02:27:30 +00:00
static-by-value-slice.rs Check statics' type in type_of. 2025-07-25 23:39:26 +00:00
static-by-value-slice.stderr Check statics' type in type_of. 2025-07-25 23:39:26 +00:00
static-by-value-str.rs Check statics' type in type_of. 2025-07-25 23:39:26 +00:00
static-by-value-str.stderr Check statics' type in type_of. 2025-07-25 23:39:26 +00:00
static_fnptr.rs Document test. 2024-05-04 19:26:51 +00:00
thir-constparam-temp.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
thir-constparam-temp.stderr Implement custom diagnostic for ConstParamTy 2023-06-01 18:21:42 +00:00
unreachable-loop-jump-threading.rs Only traverse reachable blocks in JumpThreading. 2025-06-15 21:12:17 +00:00
unreachable-loop-jump-threading.stderr Only traverse reachable blocks in JumpThreading. 2025-06-15 21:12:17 +00:00
unsize-trait.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
unsized-extern-static.rs Check static is sized when building MIR. 2025-07-25 02:31:59 +00:00
unsized-extern-static.stderr Check static is sized when building MIR. 2025-07-25 02:31:59 +00:00
var_debug_ref.rs Collect items referenced from var_debug_info 2025-03-26 11:35:34 +01:00