[clang] [webkit.UncountedLambdaCapturesChecker] Ignore trivial functions and [[clang::noescape]]. (PR #113845)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-fast` running on `sanitizer-buildbot3` while building `clang` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/169/builds/4819

<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-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/main.py:72: 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: 86707 of 86708 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70
FAIL: Clang Tools :: clang-tidy/infrastructure/read_file_config.cpp (22815 of 86707)
******************** TEST 'Clang Tools :: clang-tidy/infrastructure/read_file_config.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
+ mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
RUN: at line 3: cp /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ cp /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
RUN: at line 4: echo 'Checks: "-*,modernize-use-nullptr"' > /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/.clang-tidy
+ echo 'Checks: "-*,modernize-use-nullptr"'
RUN: at line 5: echo '[{"command": "cc -c -o test.o test.cpp", "directory": "/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]' > /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/compile_commands.json
+ echo '[{"command": "cc -c -o test.o test.cpp", "directory": "/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]'
RUN: at line 6: clang-tidy /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp | not grep "warning: .*\[clang-analyzer-deadcode.DeadStores\]$"
+ clang-tidy /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ not grep 'warning: .*\[clang-analyzer-deadcode.DeadStores\]$'
RUN: at line 7: clang-tidy -checks="-*,clang-analyzer-*" /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp | grep "warning: .*\[clang-analyzer-deadcode.DeadStores\]$"
+ clang-tidy '-checks=-*,clang-analyzer-*' /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ grep 'warning: .*\[clang-analyzer-deadcode.DeadStores\]$'
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedLambdaCapturesChecker.cpp:58:37: runtime error: member call on null pointer of type 'clang::Expr'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedLambdaCapturesChecker.cpp:58:37 

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70
FAIL: Clang :: Analysis/Checkers/WebKit/uncounted-lambda-captures.cpp (25690 of 86707)
******************** TEST 'Clang :: Analysis/Checkers/WebKit/uncounted-lambda-captures.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/lib/clang/20/include -nostdsysteminc -analyze -analyzer-constraints=range -setup-static-analyzer -analyzer-checker=webkit.UncountedLambdaCapturesChecker -verify /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Analysis/Checkers/WebKit/uncounted-lambda-captures.cpp
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/lib/clang/20/include -nostdsysteminc -analyze -analyzer-constraints=range -setup-static-analyzer -analyzer-checker=webkit.UncountedLambdaCapturesChecker -verify /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Analysis/Checkers/WebKit/uncounted-lambda-captures.cpp
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedLambdaCapturesChecker.cpp:58:37: runtime error: member call on null pointer of type 'clang::Expr'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedLambdaCapturesChecker.cpp:58:37 

--
Step 10 (stage2/asan_ubsan check) failure: stage2/asan_ubsan check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/main.py:72: 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: 86707 of 86708 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70
FAIL: Clang Tools :: clang-tidy/infrastructure/read_file_config.cpp (22815 of 86707)
******************** TEST 'Clang Tools :: clang-tidy/infrastructure/read_file_config.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
+ mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
RUN: at line 3: cp /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ cp /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
RUN: at line 4: echo 'Checks: "-*,modernize-use-nullptr"' > /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/.clang-tidy
+ echo 'Checks: "-*,modernize-use-nullptr"'
RUN: at line 5: echo '[{"command": "cc -c -o test.o test.cpp", "directory": "/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]' > /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/compile_commands.json
+ echo '[{"command": "cc -c -o test.o test.cpp", "directory": "/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]'
RUN: at line 6: clang-tidy /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp | not grep "warning: .*\[clang-analyzer-deadcode.DeadStores\]$"
+ clang-tidy /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ not grep 'warning: .*\[clang-analyzer-deadcode.DeadStores\]$'
RUN: at line 7: clang-tidy -checks="-*,clang-analyzer-*" /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp | grep "warning: .*\[clang-analyzer-deadcode.DeadStores\]$"
+ clang-tidy '-checks=-*,clang-analyzer-*' /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ grep 'warning: .*\[clang-analyzer-deadcode.DeadStores\]$'
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedLambdaCapturesChecker.cpp:58:37: runtime error: member call on null pointer of type 'clang::Expr'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedLambdaCapturesChecker.cpp:58:37 

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70
FAIL: Clang :: Analysis/Checkers/WebKit/uncounted-lambda-captures.cpp (25690 of 86707)
******************** TEST 'Clang :: Analysis/Checkers/WebKit/uncounted-lambda-captures.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/lib/clang/20/include -nostdsysteminc -analyze -analyzer-constraints=range -setup-static-analyzer -analyzer-checker=webkit.UncountedLambdaCapturesChecker -verify /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Analysis/Checkers/WebKit/uncounted-lambda-captures.cpp
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/lib/clang/20/include -nostdsysteminc -analyze -analyzer-constraints=range -setup-static-analyzer -analyzer-checker=webkit.UncountedLambdaCapturesChecker -verify /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Analysis/Checkers/WebKit/uncounted-lambda-captures.cpp
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedLambdaCapturesChecker.cpp:58:37: runtime error: member call on null pointer of type 'clang::Expr'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedLambdaCapturesChecker.cpp:58:37 

--

```

</details>

https://github.com/llvm/llvm-project/pull/113845