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coretests: failing test(s) needs triage

A-coreArea: The `core` library.Area: The `core` library.

A-coretestsArea: The `coretests` test suite.Area: The `coretests` test suite.

C-bugCategory: This is a bug.Category: This is a bug.

I-needs-investigationIssue: The solution is not obvious or feasibility must be studied.Issue: The solution is not obvious or feasibility must be studied.

Status: Open.

#142 In CHERIoT-Platform/cheri-rust;

· jacobpake opened on Apr 2, 2026

format! with big ints throws TagViolation

A-coreArea: The `core` library.Area: The `core` library.

A-coretestsArea: The `coretests` test suite.Area: The `coretests` test suite.

C-bugCategory: This is a bug.Category: This is a bug.

I-needs-investigationIssue: The solution is not obvious or feasibility must be studied.Issue: The solution is not obvious or feasibility must be studied.

Status: Open.

#141 In CHERIoT-Platform/cheri-rust;

· jacobpake opened on Apr 1, 2026

format large allocation and/or BoundsViolation

A-coreArea: The `core` library.Area: The `core` library.

A-coretestsArea: The `coretests` test suite.Area: The `coretests` test suite.

C-bugCategory: This is a bug.Category: This is a bug.

I-needs-investigationIssue: The solution is not obvious or feasibility must be studied.Issue: The solution is not obvious or feasibility must be studied.

Status: Open.

#140 In CHERIoT-Platform/cheri-rust;

· jacobpake opened on Apr 1, 2026

format! with f64 throws TagViolation

A-coreArea: The `core` library.Area: The `core` library.

A-coretestsArea: The `coretests` test suite.Area: The `coretests` test suite.

C-bugCategory: This is a bug.Category: This is a bug.

I-needs-investigationIssue: The solution is not obvious or feasibility must be studied.Issue: The solution is not obvious or feasibility must be studied.

Status: Open.

#139 In CHERIoT-Platform/cheri-rust;

· jacobpake opened on Apr 1, 2026

codegen-llvm: failing instrprof tests when LLVM has assertions enabled

A-codegen-llvmArea: The `codegen-llvm` test suite.Area: The `codegen-llvm` test suite.

C-compilation-errorCategory: The program fails to compile.Category: The program fails to compile.

I-LLVMIssue: LLVM does not support a specific behaviour or operation.Issue: LLVM does not support a specific behaviour or operation.

Status: Open.

#129 In CHERIoT-Platform/cheri-rust;

· xdoardo opened on Mar 18, 2026

Verify compiler/rustc_target/src/callconv/riscv.rs against CHERIoT calling convention

A-compilationArea: Inner mechanisms of the compilation or its products, object files.Area: Inner mechanisms of the compilation or its products, object files.

C-enhancementCategory: This is a new feature request.Category: This is a new feature request.

Status: Open.

Task

#125 In CHERIoT-Platform/cheri-rust;

· seharris opened on Mar 4, 2026

core::num::dec2flt::table::POWER_OF_FIVE_128 relocation out-of-range

A-coreArea: The `core` library.Area: The `core` library.

A-doctestArea: The `doctest` test suite.Area: The `doctest` test suite.

C-compilation-errorCategory: The program fails to compile.Category: The program fails to compile.

I-cheriotIssue: The CHERIoT platform does not allow a specific behaviour.Issue: The CHERIoT platform does not allow a specific behaviour.

Status: Open.

#105 In CHERIoT-Platform/cheri-rust;

· jacobpake opened on Feb 5, 2026

GlobalAlloc arena example relocation out-of-range

A-coreArea: The `core` library.Area: The `core` library.

A-doctestArea: The `doctest` test suite.Area: The `doctest` test suite.

C-compilation-errorCategory: The program fails to compile.Category: The program fails to compile.

I-cheriotIssue: The CHERIoT platform does not allow a specific behaviour.Issue: The CHERIoT platform does not allow a specific behaviour.

Status: Open.

#104 In CHERIoT-Platform/cheri-rust;

· jacobpake opened on Feb 5, 2026

Missing libcalls

A-coreArea: The `core` library.Area: The `core` library.

A-doctestArea: The `doctest` test suite.Area: The `doctest` test suite.

C-compilation-errorCategory: The program fails to compile.Category: The program fails to compile.

I-needs-investigationIssue: The solution is not obvious or feasibility must be studied.Issue: The solution is not obvious or feasibility must be studied.

Status: Open.

#103 In CHERIoT-Platform/cheri-rust;

· jacobpake opened on Feb 5, 2026

SIMD instruction selection errors

A-coreArea: The `core` library.Area: The `core` library.

A-doctestArea: The `doctest` test suite.Area: The `doctest` test suite.

C-compilation-errorCategory: The program fails to compile.Category: The program fails to compile.

I-LLVMIssue: LLVM does not support a specific behaviour or operation.Issue: LLVM does not support a specific behaviour or operation.

Status: Open.

#102 In CHERIoT-Platform/cheri-rust;

· jacobpake opened on Feb 4, 2026

atomic.rs TagViolation

A-coreArea: The `core` library.Area: The `core` library.

A-doctestArea: The `doctest` test suite.Area: The `doctest` test suite.

C-bugCategory: This is a bug.Category: This is a bug.

I-needs-investigationIssue: The solution is not obvious or feasibility must be studied.Issue: The solution is not obvious or feasibility must be studied.

Status: Open.

#101 In CHERIoT-Platform/cheri-rust;

· jacobpake opened on Feb 4, 2026

primitive_docs.rs TagViolation

A-coreArea: The `core` library.Area: The `core` library.

A-doctestArea: The `doctest` test suite.Area: The `doctest` test suite.

C-bugCategory: This is a bug.Category: This is a bug.

I-cheriotIssue: The CHERIoT platform does not allow a specific behaviour.Issue: The CHERIoT platform does not allow a specific behaviour.

Status: Open.

#100 In CHERIoT-Platform/cheri-rust;

· jacobpake opened on Feb 4, 2026