[llvm] [ORC] Simplify zero initializer. NFCI. (PR #175482)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Sun Jan 11 21:21:07 PST 2026 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-aarch64-darwin` running on `doug-worker-4` while building `llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/190/builds/34069

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

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
rm -rf /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp && mkdir -p /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp
# executed command: rm -rf /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp
# note: command had no output on stdout or stderr
# executed command: mkdir -p /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
/Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/llvm-mc -triple=arm64-apple-darwin -filetype=obj -o /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/crash.o /Users/buildbot/buildbot-root/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/llvm-mc -triple=arm64-apple-darwin -filetype=obj -o /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/crash.o /Users/buildbot/buildbot-root/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s
# .---command stderr------------
# | /Users/buildbot/buildbot-root/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s:16:2: warning: .build_version macos used while targeting darwin
# |         .build_version macos, 26, 0
# |         ^
# `-----------------------------
# RUN: at line 3
not --crash /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/llvm-jitlink -debugger-support=false      -write-symtab /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/crash.symtab.txt /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/crash.o      > /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/backtrace.txt 2>&1
# executed command: not --crash /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/llvm-jitlink -debugger-support=false -write-symtab /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/crash.symtab.txt /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/crash.o
# note: command had no output on stdout or stderr
# RUN: at line 6
/Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/llvm-jitlink -symbolicate-with /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/crash.symtab.txt /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/backtrace.txt      | /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck /Users/buildbot/buildbot-root/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/llvm-jitlink -symbolicate-with /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/crash.symtab.txt /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/backtrace.txt
# note: command had no output on stdout or stderr
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck /Users/buildbot/buildbot-root/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s
# .---command stderr------------
# | /Users/buildbot/buildbot-root/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s:14:10: error: CHECK: expected string not found in input
# | # CHECK: this_should_crash {{.*}} ({{.*}}crash.o)
# |          ^
# | <stdin>:1:1: note: scanning from here
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# | ^
# | <stdin>:3:376: note: possible intended match here
# | 0. Program arguments: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/llvm-jitlink -debugger-support=false -write-symtab /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/crash.symtab.txt /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/test/ExecutionEngine/JITLink/AArch64/Output/backtrace-symbolication.s.tmp/crash.o
# |                                                                                                                                                                                                                                                                                                                                                                                        ^
# | 
# | Input file: <stdin>
# | Check file: /Users/buildbot/buildbot-root/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |             1: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug. 
# | check:14'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# |             2: Stack dump: 
# | check:14'0     ~~~~~~~~~~~~
...

```

</details>

https://github.com/llvm/llvm-project/pull/175482

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