[clang] [clang][codegen] Don't mark "int" TBAA on FP libcalls with indirect args (PR #108853)

[Benjamin Maxwell via cfe-commits]

MacDue wrote:

> LGTM, but like I mentioned on #107598, it would be good if there was a test that requires the argument check, and the return check isn't sufficient

I've added a test case for `int ilogbl(long double a);` (which tests this in the `MINGW32` case :+1: 

https://github.com/llvm/llvm-project/pull/108853