According to both the Quran and the Hadiths in Islamic estacheology - all laws that exist outside of Sharia are null and void.
In Islamic thinking, the Constitution is irrelevant. Sharia is all that matters.
The deal is that Sharia Law is incompatible with every single foundational principle that related to liberty on any scale.
Islam is a political/religious system of subjugation and forced submission. Liberty and freedom are incompatible with it.
But don't take my word for it - just let the Muslim's themselves tell you: