[Documentation] Windows Clang toolchain setup guide needed for Bazel 8.2.1

[KrishnaM256]

Page link:

https://bazel.build/configure/windows#clang

Problem description (include actual vs expected text, if applicable):

When attempting to use Clang with Bazel 8.2.1 on Windows, the toolchain fails to resolve properly. This appears to be either a configuration issue or a documentation gap, as the current documentation doesn't adequately explain how to set up Clang toolchains on Windows.

Actual behavior:

• Running bazel build or bazel coverage commands fails with toolchain resolution error
• Error message:

ERROR: While resolving toolchains for target //:hello: invalid registered toolchain '@local_config_cc//:cc-toolchain-x64_windows-clang-cl': No repository visible as '@local_config_cc' from main repository

• No clear documentation exists on how to properly configure Clang toolchain on Windows

Expected behavior:

• Clear documentation should exist explaining how to set up Clang toolchain on Windows
• The toolchain should be properly resolved when Clang is installed
• Build commands should execute successfully with Clang toolchain Documentation should include:
• Required WORKSPACE configurations
• Any necessary .bazelrc settings
• Prerequisites and environment setup steps
• Common troubleshooting steps

This issue affects Windows users trying to use Clang with Bazel, particularly those moving away from MSVC or trying to standardize their toolchain across platforms.

Where do you see this issue? (include link to specific section of the page, if applicable)

https://bazel.build/configure/windows#clang

Any other information you'd like to share?

Reproduction case repository: https://github.com/KrishnaM256/bazel-project

Steps to reproduce:

1. Clone the repository: git clone https://github.com/KrishnaM256/bazel-project.git cd bazel-project

2. Run the build command: bazel build //:hello

3. Observe the toolchain resolution error