[clang] Document the [[clang::annotate]] attribute (PR #203303)
LLVM Continuous Integration via cfe-commits
cfe-commits at lists.llvm.org
Tue Jun 23 05:31:17 PDT 2026
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `fuchsia-x86_64-linux` running on `fuchsia-debian-64-us-central1-a-1` while building `clang` at step 4 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/11/builds/42701
<details>
<summary>Here is the relevant piece of the build log for the reference</summary>
```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/fuchsia-linux.py ...' (failure)
...
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/ld.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/lld-link
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/ld64.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/wasm-ld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/ld.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/lld-link
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/ld64.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/wasm-ld
-- Testing: 25195 tests, 60 workers --
Testing: 0
FAIL: Clang :: AST/undocumented-attrs.cpp (534 of 25195)
******************** TEST 'Clang :: AST/undocumented-attrs.cpp' FAILED ********************
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 1
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/clang-tblgen -gen-clang-attr-undocumented-list -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/../../include/ /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/../../include/clang/Basic/Attr.td -o - | /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/FileCheck /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/undocumented-attrs.cpp
# executed command: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/clang-tblgen -gen-clang-attr-undocumented-list -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/../../include/ /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/../../include/clang/Basic/Attr.td -o -
# executed command: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/FileCheck /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/undocumented-attrs.cpp
# .---command stderr------------
# | /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/undocumented-attrs.cpp:92:13: error: CHECK-NEXT: expected string not found in input
# | CHECK-NEXT: Total: 84
# | ^
# | <stdin>:84:18: note: scanning from here
# | WorkGroupSizeHint
# | ^
# | <stdin>:85:1: note: possible intended match here
# | Total: 83
# | ^
# |
# | Input file: <stdin>
# | Check file: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/undocumented-attrs.cpp
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 79: VecTypeHint
# | 80: VectorSize
# | 81: Visibility
# | 82: WeakImport
# | 83: WeakRef
# | 84: WorkGroupSizeHint
# | next:92'0 X error: no match found
# | 85: Total: 83
Step 7 (check) failure: check (failure)
...
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/ld.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/lld-link
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/ld64.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/wasm-ld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/ld.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/lld-link
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/ld64.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/wasm-ld
-- Testing: 25195 tests, 60 workers --
Testing: 0
FAIL: Clang :: AST/undocumented-attrs.cpp (534 of 25195)
******************** TEST 'Clang :: AST/undocumented-attrs.cpp' FAILED ********************
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 1
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/clang-tblgen -gen-clang-attr-undocumented-list -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/../../include/ /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/../../include/clang/Basic/Attr.td -o - | /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/FileCheck /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/undocumented-attrs.cpp
# executed command: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/clang-tblgen -gen-clang-attr-undocumented-list -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/../../include/ /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/../../include/clang/Basic/Attr.td -o -
# executed command: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-v_p33xti/bin/FileCheck /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/undocumented-attrs.cpp
# .---command stderr------------
# | /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/undocumented-attrs.cpp:92:13: error: CHECK-NEXT: expected string not found in input
# | CHECK-NEXT: Total: 84
# | ^
# | <stdin>:84:18: note: scanning from here
# | WorkGroupSizeHint
# | ^
# | <stdin>:85:1: note: possible intended match here
# | Total: 83
# | ^
# |
# | Input file: <stdin>
# | Check file: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/undocumented-attrs.cpp
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 79: VecTypeHint
# | 80: VectorSize
# | 81: Visibility
# | 82: WeakImport
# | 83: WeakRef
# | 84: WorkGroupSizeHint
# | next:92'0 X error: no match found
# | 85: Total: 83
```
</details>
https://github.com/llvm/llvm-project/pull/203303
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