[llvm] [ArrayRef] Add constructor from iterator_range<U*> (NFC). (PR #137796)

Wed Apr 30 05:24:03 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-sie-win` running on `sie-win-worker` while building `llvm` at step 7 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/46/builds/16019

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 7 (test-build-unified-tree-check-all) failure: test (failure)
...
[343/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\EnumeratedArrayTest.cpp.obj
[344/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\EquivalenceClassesTest.cpp.obj
[345/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\Frontend\CodeGenActionTest.cpp.obj
[346/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\FloatingPointMode.cpp.obj
[347/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\Sema\CodeCompleteTest.cpp.obj
[348/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\FunctionExtrasTest.cpp.obj
[349/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\FunctionRefTest.cpp.obj
[350/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\Rewrite\RewriterTest.cpp.obj
[351/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\IListBaseTest.cpp.obj
[352/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\ArrayRefTest.cpp.obj
FAILED: unittests/ADT/CMakeFiles/ADTTests.dir/ArrayRefTest.cpp.obj 
C:\bin\ccache.exe C:\PROGRA~2\MICROS~1\2019\BUILDT~1\VC\Tools\MSVC\1429~1.301\bin\HostX64\x64\cl.exe  /nologo /TP -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_GLIBCXX_ASSERTIONS -D_HAS_EXCEPTIONS=0 -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Iunittests\ADT -IZ:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\unittests\ADT -Iinclude -IZ:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\include -IZ:\b\llvm-clang-x86_64-sie-win\llvm-project\third-party\unittest\googletest\include -IZ:\b\llvm-clang-x86_64-sie-win\llvm-project\third-party\unittest\googlemock\include /DWIN32 /D_WINDOWS   /Zc:inline /Zc:preprocessor /Zc:__cplusplus /Oi /bigobj /permissive- /W4 -wd4141 -wd4146 -wd4244 -wd4267 -wd4291 -wd4351 -wd4456 -wd4457 -wd4458 -wd4459 -wd4503 -wd4624 -wd4722 -wd4100 -wd4127 -wd4512 -wd4505 -wd4610 -wd4510 -wd4702 -wd4245 -wd4706 -wd4310 -wd4701 -wd4703 -wd4389 -wd4611 -wd4805 -wd4204 -wd4577 -wd4091 -wd4592 -wd4319 -wd4709 -wd5105 -wd4324 -wd4251 -wd4275 -w14062 -we4238 /Gw /O2 /Ob2  -MD  /EHs-c- /GR- -UNDEBUG -std:c++17 /showIncludes /Founittests\ADT\CMakeFiles\ADTTests.dir\ArrayRefTest.cpp.obj /Fdunittests\ADT\CMakeFiles\ADTTests.dir\ /FS -c Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\unittests\ADT\ArrayRefTest.cpp
Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\unittests\ADT\ArrayRefTest.cpp(295): error C2440: 'initializing': cannot convert from 'llvm::iterator_range<std::_Array_iterator<_Ty,5>>' to 'llvm::ArrayRef<int>'
        with
        [
            _Ty=int
        ]
Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\unittests\ADT\ArrayRefTest.cpp(295): note: No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called
Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\unittests\ADT\ArrayRefTest.cpp(301): error C2440: 'initializing': cannot convert from 'llvm::iterator_range<std::_Array_iterator<_Ty,5>>' to 'llvm::ArrayRef<const int>'
        with
        [
            _Ty=int
        ]
Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\unittests\ADT\ArrayRefTest.cpp(301): note: No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called
Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\unittests\ADT\ArrayRefTest.cpp(309): error C2440: 'initializing': cannot convert from 'llvm::iterator_range<std::_Array_iterator<_Ty,5>>' to 'llvm::ArrayRef<const int>'
        with
        [
            _Ty=const int
        ]
Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\unittests\ADT\ArrayRefTest.cpp(309): note: No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called
[353/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\IListIteratorTest.cpp.obj
[354/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\Sema\SemaLookupTest.cpp.obj
[355/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\CodeGen\TBAAMetadataTest.cpp.obj
[356/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\Format\TokenAnnotatorTest.cpp.obj
[357/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\CodeGen\BufferSourceTest.cpp.obj
[358/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\FoldingSet.cpp.obj
[359/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\ConcurrentHashtableTest.cpp.obj
[360/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\FallibleIteratorTest.cpp.obj
[361/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\HashingTest.cpp.obj
[362/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\Serialization\ModuleCacheTest.cpp.obj
[363/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\CodeGen\CodeGenExternalTest.cpp.obj
[364/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\CombinationGeneratorTest.cpp.obj
[365/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\Sema\GslOwnerPointerInference.cpp.obj
[366/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\BitVectorTest.cpp.obj
[367/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\EditDistanceTest.cpp.obj
[368/1112] Building CXX object unittests\ADT\CMakeFiles\ADTTests.dir\DirectedGraphTest.cpp.obj
[369/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\Index\IndexTests.cpp.obj
[370/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\Sema\HeuristicResolverTest.cpp.obj
[371/1112] Building CXX object tools\clang\unittests\CMakeFiles\AllClangUnitTests.dir\Sema\SemaNoloadLookupTest.cpp.obj

```

</details>

https://github.com/llvm/llvm-project/pull/137796