[clang] [LifetimeSafety] Optimize loan propagation by separating persistent and block-local origins (PR #165789)
LLVM Continuous Integration via cfe-commits
cfe-commits at lists.llvm.org
Thu Nov 6 20:09:51 PST 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-bootstrap-msan` running on `sanitizer-buildbot6` while building `clang` at step 2 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/164/builds/15348
<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)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/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: 93591 tests, 64 workers --
Testing: 0.. 10.. 20
FAIL: Clang-Unit :: ./AllClangUnitTests/11/97 (23903 of 93591)
******************** TEST 'Clang-Unit :: ./AllClangUnitTests/11/97' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/unittests/./AllClangUnitTests-Clang-Unit-644663-11-97.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=97 GTEST_SHARD_INDEX=11 /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/unittests/./AllClangUnitTests
--
Script:
--
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/unittests/./AllClangUnitTests --gtest_filter=LifetimeAnalysisTest.PointersInACycle
--
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Testing/TestAST.cpp:49: Failure
Failed
input.cc:20:19: error: unknown type name 'B'
20 | p3 = temp;B
| ^
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Testing/TestAST.cpp:49: Failure
Failed
input.cc:21:9: error: expected unqualified-id
21 | POINT(in_loop);
| ^
input.cc:2:32: note: expanded from macro 'POINT'
2 | #define POINT(name) void("__lifetime_test_point_" #name)
| ^
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Testing/TestAST.cpp:49: Failure
Failed
input.cc:21:9: error: expected ')'
21 | POINT(in_loop);
| ^
input.cc:2:32: note: expanded from macro 'POINT'
2 | #define POINT(name) void("__lifetime_test_point_" #name)
| ^
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/unittests/Analysis/LifetimeSafetyTest.cpp:76: Failure
Step 11 (stage2/msan check) failure: stage2/msan check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/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: 93591 tests, 64 workers --
Testing: 0.. 10.. 20
FAIL: Clang-Unit :: ./AllClangUnitTests/11/97 (23903 of 93591)
******************** TEST 'Clang-Unit :: ./AllClangUnitTests/11/97' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/unittests/./AllClangUnitTests-Clang-Unit-644663-11-97.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=97 GTEST_SHARD_INDEX=11 /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/unittests/./AllClangUnitTests
--
Script:
--
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/unittests/./AllClangUnitTests --gtest_filter=LifetimeAnalysisTest.PointersInACycle
--
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Testing/TestAST.cpp:49: Failure
Failed
input.cc:20:19: error: unknown type name 'B'
20 | p3 = temp;B
| ^
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Testing/TestAST.cpp:49: Failure
Failed
input.cc:21:9: error: expected unqualified-id
21 | POINT(in_loop);
| ^
input.cc:2:32: note: expanded from macro 'POINT'
2 | #define POINT(name) void("__lifetime_test_point_" #name)
| ^
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Testing/TestAST.cpp:49: Failure
Failed
input.cc:21:9: error: expected ')'
21 | POINT(in_loop);
| ^
input.cc:2:32: note: expanded from macro 'POINT'
2 | #define POINT(name) void("__lifetime_test_point_" #name)
| ^
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/unittests/Analysis/LifetimeSafetyTest.cpp:76: Failure
Step 14 (stage3/msan check) failure: stage3/msan check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build2_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build2_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build2_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build2_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build2_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build2_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build2_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/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: 90198 tests, 64 workers --
Testing: 0.. 10.. 20.
FAIL: Clang-Unit :: ./AllClangUnitTests/11/97 (23907 of 90198)
******************** TEST 'Clang-Unit :: ./AllClangUnitTests/11/97' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/unittests/./AllClangUnitTests-Clang-Unit-1497306-11-97.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=97 GTEST_SHARD_INDEX=11 /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/unittests/./AllClangUnitTests
--
Script:
--
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/unittests/./AllClangUnitTests --gtest_filter=LifetimeAnalysisTest.PointersInACycle
--
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Testing/TestAST.cpp:49: Failure
Failed
input.cc:20:19: error: unknown type name 'B'
20 | p3 = temp;B
| ^
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Testing/TestAST.cpp:49: Failure
Failed
input.cc:21:9: error: expected unqualified-id
21 | POINT(in_loop);
| ^
input.cc:2:32: note: expanded from macro 'POINT'
2 | #define POINT(name) void("__lifetime_test_point_" #name)
| ^
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Testing/TestAST.cpp:49: Failure
Failed
input.cc:21:9: error: expected ')'
21 | POINT(in_loop);
| ^
input.cc:2:32: note: expanded from macro 'POINT'
2 | #define POINT(name) void("__lifetime_test_point_" #name)
| ^
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/unittests/Analysis/LifetimeSafetyTest.cpp:76: Failure
```
</details>
https://github.com/llvm/llvm-project/pull/165789
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