protected void setMatched(int index) {
		isMatched = true;			// Mark that this block has been matched
		// Calculate value to feed into hashes
		// Achieve better bit diversity within the 32-bit value using expanding (not stabilizing) transformations.
		// Both addition,and multiplication by relatively prime values, are still invertible module 2^32, so
		// no information contained in -index- is lost. Otherwise the exact values don't matter much.
		matchHash = index * 7919;
		matchHash += 511;
		matchHash *= 4691;
	}
Set up block match deconfliction value matchHash. This is fed into the n-gram hashes for Instructions
contained by this block to uniquely associate the n-grams with this block (and the matching block on
the other side)
@param index is the 1-up index used to uniquely label this block
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/correlate/Block.java