[clang] [analyzer] Adding taint analysis capability to unix.Malloc checker (PR #92420)

[Daniel Krupp via cfe-commits]

dkrupp wrote:

> @NagyDonat , @steakhal I fixed the additional remarks. Is there anything else that's need to be done before merging? Thanks.

I see now, that there is still one unaddressed remark from @NagyDonat regarding a new testcase for array new allocations. I will be adding it tomorrow...

https://github.com/llvm/llvm-project/pull/92420