[clang] [clang][diagtool] Remove dependency on clangDriver from diagtool (PR #190076)

Fri Apr 10 20:09:57 PDT 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-fast` running on `sanitizer-buildbot4` while building `clang` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/169/builds/21788

<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:569: 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:569: 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:569: 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:569: 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:569: 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:569: 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:569: 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: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: 97635 of 98197 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 
FAIL: Clang :: Misc/warning-flags-enabled.c (5656 of 97635)
******************** TEST 'Clang :: Misc/warning-flags-enabled.c' FAILED ********************
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 1
diagtool show-enabled /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Misc/warning-flags-enabled.c | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Misc/warning-flags-enabled.c
# executed command: diagtool show-enabled /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Misc/warning-flags-enabled.c
# note: command had no output on stdout or stderr
# error: command failed with exit status: -6
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Misc/warning-flags-enabled.c
# note: command had no output on stdout or stderr

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
Slowest Tests:
--------------------------------------------------------------------------
391.19s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
249.89s: Clang :: Preprocessor/riscv-target-features.c
221.52s: LLVM :: CodeGen/AMDGPU/amdgcn.bitcast.1024bit.ll
217.01s: Clang :: OpenMP/target_update_codegen.cpp
216.72s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp
208.79s: Clang :: Driver/arm-cortex-cpus-1.c
206.66s: Clang :: Driver/arm-cortex-cpus-2.c
202.94s: Clang :: Preprocessor/aarch64-target-features.c
200.88s: LLVM :: CodeGen/AMDGPU/memintrinsic-unroll.ll
199.40s: Clang :: Preprocessor/arm-target-features.c
193.80s: Clang :: CodeGen/X86/avx-builtins.c
176.66s: Clang :: CodeGen/X86/sse2-builtins.c
173.19s: Clang :: Analysis/runtime-regression.c
171.61s: Clang :: Preprocessor/predefined-arch-macros.c
166.91s: Clang :: Analysis/a_flaky_crash.cpp
163.32s: Clang :: ClangScanDeps/build-session-validation-outdated-module.c
154.62s: Clang :: CodeGen/X86/rot-intrinsics.c
152.52s: Clang :: CodeGen/X86/avx2-builtins.c
151.75s: Clang :: CodeGen/X86/avx512vlbw-builtins.c
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:569: 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:569: 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:569: 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:569: 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:569: 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:569: 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:569: 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: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: 97635 of 98197 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 
FAIL: Clang :: Misc/warning-flags-enabled.c (5656 of 97635)
******************** TEST 'Clang :: Misc/warning-flags-enabled.c' FAILED ********************
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 1
diagtool show-enabled /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Misc/warning-flags-enabled.c | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Misc/warning-flags-enabled.c
# executed command: diagtool show-enabled /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Misc/warning-flags-enabled.c
# note: command had no output on stdout or stderr
# error: command failed with exit status: -6
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/Misc/warning-flags-enabled.c
# note: command had no output on stdout or stderr

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
Slowest Tests:
--------------------------------------------------------------------------
391.19s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
249.89s: Clang :: Preprocessor/riscv-target-features.c
221.52s: LLVM :: CodeGen/AMDGPU/amdgcn.bitcast.1024bit.ll
217.01s: Clang :: OpenMP/target_update_codegen.cpp
216.72s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp
208.79s: Clang :: Driver/arm-cortex-cpus-1.c
206.66s: Clang :: Driver/arm-cortex-cpus-2.c
202.94s: Clang :: Preprocessor/aarch64-target-features.c
200.88s: LLVM :: CodeGen/AMDGPU/memintrinsic-unroll.ll
199.40s: Clang :: Preprocessor/arm-target-features.c
193.80s: Clang :: CodeGen/X86/avx-builtins.c
176.66s: Clang :: CodeGen/X86/sse2-builtins.c
173.19s: Clang :: Analysis/runtime-regression.c
171.61s: Clang :: Preprocessor/predefined-arch-macros.c
166.91s: Clang :: Analysis/a_flaky_crash.cpp
163.32s: Clang :: ClangScanDeps/build-session-validation-outdated-module.c
154.62s: Clang :: CodeGen/X86/rot-intrinsics.c
152.52s: Clang :: CodeGen/X86/avx2-builtins.c
151.75s: Clang :: CodeGen/X86/avx512vlbw-builtins.c

```

</details>

https://github.com/llvm/llvm-project/pull/190076