Issues

• Concurrent first @synchronized on an object can re-initialize a held mutex

  gnustep/libobjc2#424 · Filter by author danjboyd opened on Sep 24, 2026
  3

• Is multicore ARC scaling in scope for libobjc2? some retain/release and weak-reference contention findings

  gnustep/libobjc2#398 · Filter by author DTW-Thalion opened on Jul 14, 2026
  3

• objc_retain() copies stack Blocks, which violates ARC's pointer-identity contract

  gnustep/libobjc2#397 · Filter by author cmpwi opened on Jul 13, 2026
  7

• Recent change to class_getMethodImplementation() breaks gnustep-base NSProxy (and other code)

  gnustep/libobjc2#392 · Filter by author rfm opened on Jun 30, 2026
  22

• objc_msgSend crashes on amd64 machines when ENABLE_TRACING is on

  gnustep/libobjc2#364 · Filter by author cmpwi opened on Dec 30, 2025
  2

• Build error with gcc: ivar.h:85:1: error: enumerator value for 'ivar_align_mask' is not an integer constant

  gnustep/libobjc2#363 · Filter by author barracuda156 opened on Dec 29, 2025
  2

• Lack of objc_msgSendSuper

  gnustep/libobjc2#340 · Filter by author dee-tree opened on Jul 21, 2025
  1

• libojbc2 fails to build on Fedora Rawhide (GCC 15)

  gnustep/libobjc2#333 · Filter by author hobbes1069 opened on Apr 9, 2025
  19

• Release 2.1 doesnt build on debian13

  gnustep/libobjc2#332 · Filter by author andreasfink opened on Mar 25, 2025
  7

• When mixing C++, ObjC++, and ObjC, something goes wrong in stack unwinding and a crash (abort) ensues

  gnustep/libobjc2#320 · Filter by author lcampbel opened on Dec 7, 2024
  3

• OpenBSD 7.6 test failures

  gnustep/libobjc2#308 · Filter by author rmottola opened on Nov 13, 2024
  1

• objc4 class structure incompatibilities and Swift interop considerations

  gnustep/libobjc2#306 · Filter by author hmelder opened on Nov 9, 2024
  1

• Prebuilding a {Selector, IMP} Static Hash Table and baking it into executable

  gnustep/libobjc2#299 · Filter by author hmelder opened on Aug 31, 2024
  3

• NSZone Selector Missmatch

  gnustep/libobjc2#297 · Filter by author hmelder opened on Aug 14, 2024
  3

• NetBSD 10 amd64 failures

  gnustep/libobjc2#292 · Filter by author rmottola opened on Apr 29, 2024
  1

  

• Use LLVM Snapshot in CI

  gnustep/libobjc2#269 · Filter by author hmelder opened on Jan 7, 2024
  3

  

• UnexpectedException test failing on ARM ABIs

  gnustep/libobjc2#247 · Filter by author triplef opened on Oct 4, 2023
  21

• Add debug support symbols

  gnustep/libobjc2#244 · Filter by author weliveindetail opened on Mar 16, 2023
  3

• OpenBSD build fails - undefined symbols - Unwind

  gnustep/libobjc2#210 · Filter by author rmottola opened on Jul 27, 2021
  18

• Crash in objc_end_catch when catching re-thrown exception on armeabi-v7a

  gnustep/libobjc2#161 · Filter by author triplef opened on Jun 3, 2020
  3

• maybe error in objc_msgSend.arm.S

  gnustep/libobjc2#151 · Filter by author ClarkGuan opened on Mar 26, 2020
  4

• Method signature differences vs. Apple runtime

  gnustep/libobjc2#122 · Filter by author d235j opened on Aug 7, 2019
  3

• objc_constructInstance and objc_destructInstance are unimplemented

  gnustep/libobjc2#121 · Filter by author d235j opened on Aug 7, 2019
  8

• __objc_exec_class is called before __objc_load when staticly linked

  gnustep/libobjc2#109 · Filter by author minusbat opened on May 25, 2019
  4