Issues

• cxx_assign_const/cxx_init_const generate equivalent mutants on bool (42 truncates to false)

  mull-project/mull#1191 · Filter by author Yaraslaut opened on Sep 10, 2026

• mull 19 fails (ends with an error) more often than mull 18

  mull-project/mull#1188 · Filter by author correaa opened on May 26, 2026
  4

• cxx_replace_scalar_call replaces bool with invalid APInt(1, 42)

  mull-project/mull#1186 · Filter by author ccotter opened on Apr 23, 2026
  5

• StoreValueReplacement should check the store operand

  mull-project/mull#1142 · Filter by author alexander-forster opened on Jan 10, 2026
  1

• Mull wrappers lack debug information, breaking LLDB step-in debugging

  mull-project/mull#1138 · Filter by author ligogeorge opened on Nov 26, 2025
  1

• Mull should not generate mutations for C++ default bracket-style {} initialization

  mull-project/mull#1137 · Filter by author bartlettroscoe opened on Nov 10, 2025

• Extend mull-runner to consult SQLite DB and skip mutations already squashed by previous tests

  mull-project/mull#1133 · Filter by author bartlettroscoe opened on Oct 31, 2025
  2

• Extend the Mull compiler plugin to accept a list of file paths and line blocks to restrict mutations

  mull-project/mull#1132 · Filter by author bartlettroscoe opened on Oct 30, 2025
  5

• How to mutate data defined in code under test with Mull?

  mull-project/mull#1117 · Filter by author bartlettroscoe opened on Oct 13, 2025
  3

• Incremental Mutation Testing with CCACHE Corrupts Full Run Results

  mull-project/mull#1104 · Filter by author ligogeorge opened on Oct 1, 2025
  3

• [Question] what about adding Exception throwing while mutating

  mull-project/mull#1059 · Filter by author LowLevelMahn opened on Nov 21, 2024
  2

• Windows support

  mull-project/mull#1039 · Filter by author claudiiolima opened on Nov 28, 2023
  1

• Warnings about "Could not find dynamic library"

  mull-project/mull#1024 · Filter by author RobertoBagnara opened on May 17, 2023
  1

• Integrating Mull into a Bazel based project

  mull-project/mull#1018 · Filter by author VinayDodamani opened on Jan 17, 2023
  10

• Get source code of the mutated version of the original program

  mull-project/mull#958 · Filter by author RainyTong opened on Jan 26, 2022
  6

• Roadmap: AST-level mutations

  mull-project/mull#867 · Filter by author stanislaw opened on May 29, 2021
  10

• New mutation operator: ABS(Absolute Value Mutator)

  mull-project/mull#852 · Filter by author ligurio opened on Apr 13, 2021
  1

• New mutation operator: SBR (Statement Block Removal)

  mull-project/mull#851 · Filter by author ligurio opened on Apr 13, 2021

• No mutation for negate operator

  mull-project/mull#842 · Filter by author ligurio opened on Mar 22, 2021
  1

• Memory related mutation operators are not supported

  mull-project/mull#828 · Filter by author dmc1778 opened on Jan 8, 2021
  1

• On the way to v1.0

  v1.0
  mull-project/mull#775 · Filter by author AlexDenisov opened on Oct 16, 2020 · v1.0
  9

• Mull might need more mutation operators (get_sign example demonstration)

  mull-project/mull#643 · Filter by author stanislaw opened on Dec 14, 2019
  2