@Test
	public void testFunctionRegParamDiff11() throws Exception {
	
		// no params in program 1 or 2
	
		AddressSet expectedDiffs = new AddressSet();
		checkDiff(expectedDiffs, ProgramDiffFilter.FUNCTION_DIFFS);
	}
Test that ProgramDiff can determine that function parameter types are
different.
Ghidra/Features/Base/src/test.slow/java/ghidra/program/util/ProgramDiff3Test.java