Merge pull request #579 from skandhas/pr-remove-incorrect-pop-in-codegen

remove incorrect pop() call  in codegen

src/codegen.c

@@ -1412,7 +1412,6 @@ codegen(codegen_scope *s, node *tree, int val)
 	codegen(s, tree->cdr->cdr->car, VAL);
 	pop();
 	gen_assignment(s, tree->car, cursp(), val);
-	if (val) pop();
 	dispatch(s, pos);
 	break;
       }

test/t/syntax.rb

@@ -58,3 +58,14 @@ assert('Nested const reference') do
   Syntax4Const::CONST1 == "hello world" and
   Syntax4Const::Const2.new.const1 == "hello world"
 end
+
+assert('Abbreviated variable assignment as returns') do
+  module Syntax4AbbrVarAsgnAsReturns
+    class A
+      def b
+        @c ||= 1
+      end
+    end
+  end
+  Syntax4AbbrVarAsgnAsReturns::A.new.b == 1
+end