Needless pointer-casts in C

Question

I got a comment to my answer on this thread:

Malloc inside a function call appears to be getting freed on return?

In short I had code like this:

Answer 1

One possible error could (depending on this is whether what you really want or not) be mallocing with one size scale, and assigning to a pointer of a different type. E.g.,

int *temp = (int *)malloc(sizeof(double));

There may be cases where you want to do this, but I suspect that they are rare.