[analyzer] Wrong type cast occurs during pointer dereferencing after type punning

Summary: During pointer dereferencing CastRetrievedVal uses wrong type from the Store after type punning. Namely, the pointer casts to another type and then assigns with a value of one more another type. It produces NonLoc value when Loc is expected.

Differential Revision: https://reviews.llvm.org/D89055

Fixes:
https://bugs.llvm.org/show_bug.cgi?id=37503
https://bugs.llvm.org/show_bug.cgi?id=49007