[clang] [Clang][OpenMP][LoopTransformations] Fix incorrect number of generated loops for Tile and Reverse directives (PR #140532)

[Walter J.T.V via cfe-commits]

eZWALT wrote:

> > AnalyzeLoopSequence
> 
> Could you point, where this is located?

Of course, [See line 14315 in `SemaOpenMP.cpp`](https://github.com/eZWALT/llvm-project/blob/main/clang/lib/Sema/SemaOpenMP.cpp#L14315)


https://github.com/llvm/llvm-project/pull/140532