[llvm] expand-fp: Refactor modification status handling (NFC) (PR #163542)

Mon Oct 20 01:35:38 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-m68k-linux-cross` running on `suse-gary-m68k-cross` while building `llvm` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/27/builds/17750

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'LLVM :: tools/dsymutil/X86/objc.test' FAILED ********************
Exit Code: 250

Command Output (stdout):
--
# RUN: at line 1
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/dsymutil --verify-dwarf=output -f -oso-prepend-path=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/.. /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/../Inputs/objc.macho.x86_64 -o /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/test/tools/dsymutil/X86/Output/objc.test.tmp.d4
# executed command: /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/dsymutil --verify-dwarf=output -f -oso-prepend-path=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/.. /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/../Inputs/objc.macho.x86_64 -o /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/test/tools/dsymutil/X86/Output/objc.test.tmp.d4
# .---command stderr------------
# | warning: /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/../Inputs/objc.macho.x86_64.o: timestamp mismatch between object file (2024-10-09 15:48:55.357038027) and debug map (2015-03-27 02:12:27.000000000)
# `-----------------------------
# RUN: at line 2
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/llvm-dwarfdump -apple-types -apple-objc /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/test/tools/dsymutil/X86/Output/objc.test.tmp.d4 | /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/objc.test
# executed command: /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/llvm-dwarfdump -apple-types -apple-objc /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/test/tools/dsymutil/X86/Output/objc.test.tmp.d4
# executed command: /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/objc.test
# RUN: at line 5
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/dsymutil --verify-dwarf=output --accelerator='Dwarf' -f -oso-prepend-path=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/.. /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/../Inputs/objc.macho.x86_64 -o /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/test/tools/dsymutil/X86/Output/objc.test.tmp.d5
# executed command: /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/dsymutil --verify-dwarf=output --accelerator=Dwarf -f -oso-prepend-path=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/.. /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/../Inputs/objc.macho.x86_64 -o /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/test/tools/dsymutil/X86/Output/objc.test.tmp.d5
# .---command stderr------------
# | warning: /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/tools/dsymutil/X86/../Inputs/objc.macho.x86_64.o: timestamp mismatch between object file (2024-10-09 15:48:55.357038027) and debug map (2015-03-27 02:12:27.000000000)
# | terminate called after throwing an instance of 'std::system_error'
# |   what():  Resource temporarily unavailable
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# |  #0 0x00000000014eea9b llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/dsymutil+0x14eea9b)
# |  #1 0x00000000014ebd3a SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
# |  #2 0x00007fe559e41580 __restore_rt (/lib64/libc.so.6+0x41580)
# |  #3 0x00007fe559e9a25c __pthread_kill_implementation (/lib64/libc.so.6+0x9a25c)
# |  #4 0x00007fe559e414b6 gsignal (/lib64/libc.so.6+0x414b6)
# |  #5 0x00007fe559e2891a abort (/lib64/libc.so.6+0x2891a)
# |  #6 0x00007fe55a2adc4d (/lib64/libstdc++.so.6+0xadc4d)
# |  #7 0x00007fe55a2bf2ec (/lib64/libstdc++.so.6+0xbf2ec)
# |  #8 0x00007fe55a2ad7f5 std::unexpected() (/lib64/libstdc++.so.6+0xad7f5)
# |  #9 0x00007fe55a2bf578 (/lib64/libstdc++.so.6+0xbf578)
# | #10 0x00007fe55a2b0ffd std::__throw_system_error(int) (/lib64/libstdc++.so.6+0xb0ffd)
# | #11 0x00007fe55a2b1055 (/lib64/libstdc++.so.6+0xb1055)
# | #12 0x000000000147c743 std::thread::_State_impl<std::thread::_Invoker<std::tuple<llvm::parallel::detail::(anonymous namespace)::ThreadPoolExecutor::ThreadPoolExecutor(llvm::ThreadPoolStrategy)::'lambda'()>>>::_M_run() Parallel.cpp:0:0
# | #13 0x00007fe55a2ed424 (/lib64/libstdc++.so.6+0xed424)
# | #14 0x00007fe559e983b2 start_thread (/lib64/libc.so.6+0x983b2)
# | #15 0x00007fe559f1d5fc __GI___clone3 (/lib64/libc.so.6+0x11d5fc)
# `-----------------------------
# error: command failed with exit status: 250

--

********************

```

</details>

https://github.com/llvm/llvm-project/pull/163542