Reproduction steps:
1. Create a new project with the URP 3D Sample Template

Expected result: A project is created and opened
Actual result: The Editor crashes

Reproducible with: 6000.0.11f1
Not reproducible with: 2021.3.41f1, 2022.3.39f1, 6000.0.10f1
Fixed in: 6000.0.12f1

Reproducible on: macOS 14.5 (M1)
Not reproducible on: Windows 10

Note: Reproduction rate is less than 100%

The first few lines of the stack trace:
#0 0x00000102b5e7c8 in keywords::LocalKeywordState::IsEnabled(keywords::LocalKeyword) const
#1 0x00000103c12b00 in ShaderVariantEnumerationKeywords::PrepareEnumeration(ShaderVariantData const&, ShaderCompilerProgram, keywords::LocalSpace const&)
#2 0x00000104771c2c in ShaderSnippet::RebuildKeywordMasks(keywords::LocalSpace const&)
#3 0x00000104772a4c in ShaderCompilationInfo::EndKeywordCombinations(int, core::vector<core::basic_string<char, core::StringStorageDefault<char>>, core::allocator<core::basic_string<char, core::StringStorageDefault<char>>, 0ul>> const&, core::vector<core::basic_string<char, core::StringStorageDefault<char>>, core::allocator<core::basic_string<char, core::StringStorageDefault<char>>, 0ul>> const&, core::vector<core::basic_string<char, core::StringStorageDefault<char>>, core::allocator<core::basic_string<char, core::StringStorageDefault<char>>, 0ul>> const&, ShaderCompileRequirements const&, Shader*)
#4 0x000001041e9bfc in ShaderCompilerPreprocess(ShaderCompilerConnection*&, core::basic_string_ref<char>, core::basic_string<char, core::StringStorageDefault<char>> const&, core::basic_string_ref<char>, core::basic_string<char, core::StringStorageDefault<char>>&, bool&, ShaderCompilerPreprocessCallbacks*, bool, core::vector<core::basic_string<char, core::StringStorageDefault<char>>, core::allocator<core::basic_string<char, core::StringStorageDefault<char>>, 0ul>> const&, core::vector<core::basic_string<char, core::StringStorageDefault<char>>, core::allocator<core::basic_string<char, core::StringStorageDefault<char>>, 0ul>> const&, BuildTargetPlatform, bool&, bool&)
#5 0x00000103baf308 in DoShaderImportProcessing(core::basic_string_ref<char>, Shader&, core::basic_string<char, core::StringStorageDefault<char>> const&, AssetImportContext*, bool)