Fault induction

[McCio]

At least during sensitive and possibly-sensitive code execution, possible fault induction on both values and Instruction Pointer should be checked and managed correctly.

[McCio]

With last edits done, no more sensitive places should be left to check for fault induction.

@aki8, @viktech123, please check if some important check is still missing.

[viktech123]

Ok will check it

[viktech123]

It seems OK . All issues pertaining to fault induction checks are closed.