[clang] [ClangScanDeps] Do not emit warning for P1689 format (PR #186966)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-bootstrap-msan` running on `sanitizer-buildbot5` while building `clang` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/164/builds/19951

<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:569: 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:569: 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:569: 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:569: 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:569: 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:569: 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:569: 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: 97594 tests, 64 workers --
Testing:  0
FAIL: Clang :: ClangScanDeps/p1689-suppress-warnings.cppm (3492 of 97594)
******************** TEST 'Clang :: ClangScanDeps/p1689-suppress-warnings.cppm' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 4
rm -rf /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# executed command: rm -rf /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# note: command had no output on stdout or stderr
# RUN: at line 5
mkdir -p /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# executed command: mkdir -p /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# note: command had no output on stdout or stderr
# RUN: at line 6
split-file /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# executed command: split-file /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# note: command had no output on stdout or stderr
# RUN: at line 9
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang-scan-deps -format=p1689 -- /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -std=c++20 -I/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp -c /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.cppm -o /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.o 2>&1 | /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm
# executed command: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang-scan-deps -format=p1689 -- /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -std=c++20 -I/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp -c /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.cppm -o /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.o
# note: command had no output on stdout or stderr
# error: command failed with exit status: -6
# executed command: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm
# .---command stderr------------
# | /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm:12:11: error: CHECK: expected string not found in input
# | // CHECK: {
# |           ^
# | <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.
# | ^
# | 
# | Input file: <stdin>
# | Check file: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
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:569: 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:569: 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:569: 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:569: 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:569: 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:569: 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:569: 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: 97594 tests, 64 workers --
Testing:  0
FAIL: Clang :: ClangScanDeps/p1689-suppress-warnings.cppm (3492 of 97594)
******************** TEST 'Clang :: ClangScanDeps/p1689-suppress-warnings.cppm' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 4
rm -rf /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# executed command: rm -rf /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# note: command had no output on stdout or stderr
# RUN: at line 5
mkdir -p /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# executed command: mkdir -p /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# note: command had no output on stdout or stderr
# RUN: at line 6
split-file /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# executed command: split-file /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# note: command had no output on stdout or stderr
# RUN: at line 9
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang-scan-deps -format=p1689 -- /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -std=c++20 -I/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp -c /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.cppm -o /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.o 2>&1 | /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm
# executed command: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang-scan-deps -format=p1689 -- /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -std=c++20 -I/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp -c /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.cppm -o /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.o
# note: command had no output on stdout or stderr
# error: command failed with exit status: -6
# executed command: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm
# .---command stderr------------
# | /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm:12:11: error: CHECK: expected string not found in input
# | // CHECK: {
# |           ^
# | <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.
# | ^
# | 
# | Input file: <stdin>
# | Check file: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
Step 16 (stage2/msan_track_origins check) failure: stage2/msan_track_origins check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/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: 97594 tests, 64 workers --
Testing:  0
FAIL: Clang :: ClangScanDeps/p1689-suppress-warnings.cppm (3428 of 97594)
******************** TEST 'Clang :: ClangScanDeps/p1689-suppress-warnings.cppm' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 4
rm -rf /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# executed command: rm -rf /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# note: command had no output on stdout or stderr
# RUN: at line 5
mkdir -p /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# executed command: mkdir -p /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# note: command had no output on stdout or stderr
# RUN: at line 6
split-file /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# executed command: split-file /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp
# note: command had no output on stdout or stderr
# RUN: at line 9
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/clang-scan-deps -format=p1689 -- /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/clang++ -std=c++20 -I/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp -c /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.cppm -o /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.o 2>&1 | /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm
# executed command: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/clang-scan-deps -format=p1689 -- /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/clang++ -std=c++20 -I/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp -c /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.cppm -o /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/test/ClangScanDeps/Output/p1689-suppress-warnings.cppm.tmp/mylib.o
# note: command had no output on stdout or stderr
# error: command failed with exit status: -6
# executed command: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm
# .---command stderr------------
# | /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm:12:11: error: CHECK: expected string not found in input
# | // CHECK: {
# |           ^
# | <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.
# | ^
# | 
# | Input file: <stdin>
# | Check file: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/test/ClangScanDeps/p1689-suppress-warnings.cppm
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<

```

</details>

https://github.com/llvm/llvm-project/pull/186966