Better decimal support (For ABCs with minor version 17)

libsrc/ffdec_lib/testdata/decimal/src_air/mypkg/MySprite.as

@@ -0,0 +1,16 @@
+package mypkg
+{    
+    import flash.display.Sprite;
+
+    public class MySprite extends Sprite
+    {        
+    
+         public function test(): void
+         {
+            
+            var a:* = 70000m;                              
+         }                    
+          
+    }
+
+}