fix create_pipeline crash in vulkan-enabled layer without calling load_param/load_model first #2132

	name: windows-x86-cpu
	on:
	push:
	branches: [master]
	paths:
	- '.github/workflows/windows-x86-cpu.yml'
	- 'CMakeLists.txt'
	- 'cmake/**'
	- 'src/*'
	- 'src/layer/*'
	- 'src/layer/x86/**'
	- 'tests/**'
	pull_request:
	branches: [master]
	paths:
	- '.github/workflows/windows-x86-cpu.yml'
	- 'CMakeLists.txt'
	- 'cmake/**'
	- 'src/*'
	- 'src/layer/*'
	- 'src/layer/x86/**'
	- 'tests/**'
	concurrency:
	group: windows-x86-cpu-${{ github.ref }}
	cancel-in-progress: true
	permissions:
	contents: read

	jobs:
	windows-x86:
	name: ${{ matrix.vs-version }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	include:
	- vs-version: vs2015
	toolset-version: v140
	os: windows-2019

	- vs-version: vs2017
	toolset-version: v141
	os: windows-2019

	- vs-version: vs2019
	toolset-version: v142
	os: windows-2022

	- vs-version: vs2022
	toolset-version: v143
	os: windows-2022

	env:
	UseMultiToolTask: true
	steps:
	- uses: actions/checkout@v4
	- name: build
	run: \|
	mkdir build; cd build
	cmake -T ${{ matrix.toolset-version }},host=x64 -A Win32 -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
	cmake --build . --config Release -j 4
	- name: test
	run: cd build; ctest -C Release --output-on-failure -j 4
	- name: build-shared
	run: \|
	mkdir build-shared; cd build-shared
	cmake -T ${{ matrix.toolset-version }},host=x64 -A Win32 -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF -DNCNN_SHARED_LIB=ON ..
	cmake --build . --config Release -j 4

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