[llvm] [X86] checkBitcastSrcVectorSize - early return when reach to MaxRecursionDepth. (PR #130226)

[Simon Pilgrim via llvm-commits]

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

LGTM (I've adjusted the patch title to explicitly mention checkBitcastSrcVectorSize)

https://github.com/llvm/llvm-project/pull/130226