Fix #11862 FN constParameterPointer with increment

[chrchr-github]

No description provided.

[chrchr-github]

It seems that isAliasModified() relied on an incorrect return value from isVariableChanged() for *it++ in

bool f(const int* it, const int* end) {
	return (it != end) && *it++ && (it != end) && *it;
}