KT-2627 Parse for with multiple range variables

#KT-2627 Fixed

grammar/src/class_members.grm

@@ -85,10 +85,14 @@ variableDeclarationEntry
   : SimpleName (":" type)?
   ;
 
+multipleVariableDeclarations
+  : "(" variableDeclarationEntry{","} ")"
+  ;
+
 property
   : modifiers ("val" | "var")
       typeParameters? (type "." | annotations)?
-      ("(" variableDeclarationEntry{","} ")" | variableDeclarationEntry)
+      (multipleVariableDeclarations | variableDeclarationEntry)
       typeConstraints
       ("=" expression SEMI?)?
       (getter? setter? | setter? getter?) SEMI?

grammar/src/control.grm

@@ -27,7 +27,7 @@ loop
   ;
 
 for
-  : "for" "(" annotations ("val" | "var")? SimpleName (":" type)? "in" expression ")" expression
+  : "for" "(" annotations ("val" | "var")? (multipleVariableDeclarations | variableDeclarationEntry) "in" expression ")" expression
   ;
 
 while