AS3 p-code more RAbcDasm like

- get/setlocal_x renamed to get/setlocalx
- QName casing changed from Qname

Better increment/decrement detection, chained assignments.

libsrc/ffdec_lib/testdata/flashdevelop/obj/flashdevelopConfig.old

@@ -16,7 +16,7 @@
     </define>
     <define append="true">
       <name>CONFIG::timeStamp</name>
-      <value>'25.01.2021'</value>
+      <value>'26.01.2021'</value>
     </define>
     <define append="true">
       <name>CONFIG::air</name>

libsrc/ffdec_lib/testdata/flashdevelop/obj/flashdevelopConfig.xml

@@ -16,7 +16,7 @@
     </define>
     <define append="true">
       <name>CONFIG::timeStamp</name>
-      <value>'25.01.2021'</value>
+      <value>'26.01.2021'</value>
     </define>
     <define append="true">
       <name>CONFIG::air</name>

libsrc/ffdec_lib/testdata/flashdevelop/src/Main.as

@@ -24,6 +24,7 @@ package
 		TestDefaultNotLastGrouped;
 		TestDoWhile;
 		TestDoWhile2;
+		TestDup;
 		TestExpressions;
 		TestFinallyZeroJump;
 		TestFor;

libsrc/ffdec_lib/testdata/flashdevelop/src/tests/TestDup.as

@@ -0,0 +1,18 @@
+package tests 
+{
+	public class TestDup 
+	{
+		
+		public function run() : void
+		{
+			var a:Boolean;
+			var b:Boolean;
+			
+			if (a = b)
+			{
+				trace(a);			
+			}
+		}		
+	}
+
+}

libsrc/ffdec_lib/testdata/flashdevelop/src/tests/TestHello.as

@@ -8,4 +8,4 @@ package tests
 			trace("hello");
 		}
 	}
-}
+}