Merge branch 'dmlc:master' into SecureBoost #5

	name: XGBoost-i386-test

	on: [push, pull_request]

	permissions:
	contents: read # to fetch code (actions/checkout)

	jobs:
	build-32bit:
	name: Build 32-bit
	runs-on: ubuntu-latest
	services:
	registry:
	image: registry:2
	ports:
	- 5000:5000
	steps:
	- uses: actions/[email protected]
	with:
	submodules: 'true'
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	with:
	driver-opts: network=host
	- name: Build and push container
	uses: docker/build-push-action@v5
	with:
	context: .
	file: tests/ci_build/Dockerfile.i386
	push: true
	tags: localhost:5000/xgboost/build-32bit:latest
	cache-from: type=gha
	cache-to: type=gha,mode=max
	- name: Build XGBoost
	run: \|
	docker run --rm -v $PWD:/workspace -w /workspace \
	-e CXXFLAGS='-Wno-error=overloaded-virtual -Wno-error=maybe-uninitialized -Wno-error=redundant-move' \
	localhost:5000/xgboost/build-32bit:latest \
	tests/ci_build/build_via_cmake.sh

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