[clang-tools-extra] [clangd] Allow hover over 128-bit variable without crashing (PR #71415)

[Younan Zhang via cfe-commits]

https://github.com/zyn0217 approved this pull request.

Thank you! I didn't realize that `getActiveBits` was calculated by the count of leading zeros, even for negative numbers. This generally looks good modulo a question on the test.


https://github.com/llvm/llvm-project/pull/71415