Converting from initializer list would use explicit constructor

[rui-mo]

Problem description

/home/runner/work/velox/velox/velox/velox/vector/tests/VectorMakerTest.cpp:477:65: error: converting to ‘std::optional<std::vector<std::optional<int>, std::allocator<std::optional<int> > > >’ from initializer list would use explicit constructor ‘constexpr std::optional<_Tp>::optional(std::in_place_t, _Args&& ...) [with _Args = {}; typename std::enable_if<__and_v<std::is_constructible<_Tp, _Args ...> >, bool>::type <anonymous> = false; _Tp = std::vector<std::optional<int>, std::allocator<std::optional<int> > >]’
/home/runner/work/velox/velox/velox/velox/vector/tests/VectorMakerTest.cpp:477:65: error: converting to ‘std::in_place_t’ from initializer list would use explicit constructor ‘constexpr std::in_place_t::in_place_t()’
/home/runner/work/velox/velox/velox/velox/vector/tests/VectorMakerTest.cpp:477:65: error: converting to ‘std::optional<std::vector<std::optional<int>, std::allocator<std::optional<int> > > >’ from initializer list would use explicit constructor ‘constexpr std::optional<_Tp>::optional(std::in_place_t, _Args&& ...) [with _Args = {}; typename std::enable_if<__and_v<std::is_constructible<_Tp, _Args ...> >, bool>::type <anonymous> = false; _Tp = std::vector<std::optional<int>, std::allocator<std::optional<int> > >]’

System information

Velox System Info v0.0.2
Commit: 1499c95
CMake Version: 3.31.5
System: Darwin-23.6.0
Arch: arm64
C++ Compiler: /Library/Developer/CommandLineTools/usr/bin/c++
C++ Compiler Version: 16.0.0.16000026
C Compiler: /Library/Developer/CommandLineTools/usr/bin/cc
C Compiler Version: 16.0.0.16000026
CMake Prefix Path: /Library/Developer/CommandLineTools/SDKs/MacOSX15.2.sdk/usr;/opt/homebrew;/usr/local;/usr;/;/opt/homebrew;/usr/local;/usr/X11R6;/usr/pkg;/opt;/sw;/opt/local

CMake log

https://github.com/facebookincubator/velox/actions/runs/13585069008/job/37978164870?pr=9559