[libcxx-commits] [libcxx] [libc++][iterator][NFC] Fixed copy&paste mistake in comment (PR #173879)

Mon Dec 29 17:33:30 PST 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux` running on `sanitizer-buildbot8` while building `libcxx` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/51/builds/29304

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

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
[182/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64-with-call.o
[183/186] Generating Msan-aarch64-with-call-Test
[184/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64.o
[185/186] Generating Msan-aarch64-Test
[185/186] Running compiler_rt regression tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/discovery.py:273: warning: input '/home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/interception/Unit' contained no tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/discovery.py:273: warning: input '/home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/Unit' contained no tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:74: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 6116 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: XRay-aarch64-linux :: TestCases/Posix/fdr-mode.cpp (5445 of 6116)
******************** TEST 'XRay-aarch64-linux :: TestCases/Posix/fdr-mode.cpp' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang  --driver-mode=g++ -fxray-instrument   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta    -g -std=c++11 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp
# executed command: /home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang --driver-mode=g++ -fxray-instrument -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -g -std=c++11 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
rm -f fdr-logging-test-*
# executed command: rm -f 'fdr-logging-test-*'
# note: command had no output on stdout or stderr
# RUN: at line 3
rm -f fdr-unwrite-test-*
# executed command: rm -f 'fdr-unwrite-test-*'
# note: command had no output on stdout or stderr
# RUN: at line 4
env XRAY_OPTIONS="patch_premain=false xray_logfile_base=fdr-logging-test-      xray_mode=xray-fdr verbosity=1"  env XRAY_FDR_OPTIONS="func_duration_threshold_us=0"       /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp 2>&1 | FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp
# executed command: env 'XRAY_OPTIONS=patch_premain=false xray_logfile_base=fdr-logging-test-      xray_mode=xray-fdr verbosity=1' env XRAY_FDR_OPTIONS=func_duration_threshold_us=0 /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp
# note: command had no output on stdout or stderr
# executed command: FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp
# note: command had no output on stdout or stderr
# RUN: at line 8
env XRAY_OPTIONS="patch_premain=false      xray_logfile_base=fdr-unwrite-test- xray_mode=xray-fdr      verbosity=1"  env XRAY_FDR_OPTIONS="func_duration_threshold_us=5000"       /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp 2>&1 | FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp
# executed command: env 'XRAY_OPTIONS=patch_premain=false      xray_logfile_base=fdr-unwrite-test- xray_mode=xray-fdr      verbosity=1' env XRAY_FDR_OPTIONS=func_duration_threshold_us=5000 /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp
# note: command had no output on stdout or stderr
# executed command: FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp
# note: command had no output on stdout or stderr
# RUN: at line 13
ls fdr-logging-test-* | head -1 | tr -d '\n' > /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp.log
# executed command: ls 'fdr-logging-test-*'
# note: command had no output on stdout or stderr
# executed command: head -1
# note: command had no output on stdout or stderr
# executed command: tr -d '\n'
# note: command had no output on stdout or stderr
# RUN: at line 14
Step 9 (test compiler-rt symbolizer) failure: test compiler-rt symbolizer (failure)
...
[182/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64-with-call.o
[183/186] Generating Msan-aarch64-with-call-Test
[184/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64.o
[185/186] Generating Msan-aarch64-Test
[185/186] Running compiler_rt regression tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/discovery.py:273: warning: input '/home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/interception/Unit' contained no tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/discovery.py:273: warning: input '/home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/Unit' contained no tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:74: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 6116 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: XRay-aarch64-linux :: TestCases/Posix/fdr-mode.cpp (5445 of 6116)
******************** TEST 'XRay-aarch64-linux :: TestCases/Posix/fdr-mode.cpp' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang  --driver-mode=g++ -fxray-instrument   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta    -g -std=c++11 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp
# executed command: /home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang --driver-mode=g++ -fxray-instrument -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -g -std=c++11 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
rm -f fdr-logging-test-*
# executed command: rm -f 'fdr-logging-test-*'
# note: command had no output on stdout or stderr
# RUN: at line 3
rm -f fdr-unwrite-test-*
# executed command: rm -f 'fdr-unwrite-test-*'
# note: command had no output on stdout or stderr
# RUN: at line 4
env XRAY_OPTIONS="patch_premain=false xray_logfile_base=fdr-logging-test-      xray_mode=xray-fdr verbosity=1"  env XRAY_FDR_OPTIONS="func_duration_threshold_us=0"       /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp 2>&1 | FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp
# executed command: env 'XRAY_OPTIONS=patch_premain=false xray_logfile_base=fdr-logging-test-      xray_mode=xray-fdr verbosity=1' env XRAY_FDR_OPTIONS=func_duration_threshold_us=0 /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp
# note: command had no output on stdout or stderr
# executed command: FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp
# note: command had no output on stdout or stderr
# RUN: at line 8
env XRAY_OPTIONS="patch_premain=false      xray_logfile_base=fdr-unwrite-test- xray_mode=xray-fdr      verbosity=1"  env XRAY_FDR_OPTIONS="func_duration_threshold_us=5000"       /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp 2>&1 | FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp
# executed command: env 'XRAY_OPTIONS=patch_premain=false      xray_logfile_base=fdr-unwrite-test- xray_mode=xray-fdr      verbosity=1' env XRAY_FDR_OPTIONS=func_duration_threshold_us=5000 /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp
# note: command had no output on stdout or stderr
# executed command: FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp
# note: command had no output on stdout or stderr
# RUN: at line 13
ls fdr-logging-test-* | head -1 | tr -d '\n' > /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/xray/AARCH64LinuxConfig/TestCases/Posix/Output/fdr-mode.cpp.tmp.log
# executed command: ls 'fdr-logging-test-*'
# note: command had no output on stdout or stderr
# executed command: head -1
# note: command had no output on stdout or stderr
# executed command: tr -d '\n'
# note: command had no output on stdout or stderr
# RUN: at line 14

```

</details>

https://github.com/llvm/llvm-project/pull/173879