When performing macro argument substitution, one should keep the set of
macro to exclude, else we can enter an infinite recursion.
Testcase:
#define M1(A) A
#define M2 M1(M2)
Task-number: QTBUG-29759
Change-Id: I564bbfed65e1c8599592eaf12c6d67285d2fd9ce
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
b05f19f232