* compile.c (iseq_compile_each): fix return value of obj[a,*b]=c.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32146 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri Jun 17 18:57:36 2011  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* compile.c (iseq_compile_each): fix return value of obj[a,*b]=c.
+
 Fri Jun 17 13:09:45 2011  Eric Hodel  <drbrain@segment7.net>
 
 	* ext/curses/curses.c:  Clean up documentation.

bootstraptest/test_method.rb

@@ -402,6 +402,10 @@ m(1,2,*ary,&b)
 $result
 }
 
+# aset and splat
+assert_equal '4', %q{class Foo;def []=(a,b,c,d);end;end;Foo.new[1,*a=[2,3]]=4}
+assert_equal '4', %q{class Foo;def []=(a,b,c,d);end;end;def m(&blk)Foo.new[1,*a=[2,3],&blk]=4;end;m{}}
+
 # post test
 assert_equal %q{[1, 2, :o1, :o2, [], 3, 4, NilClass, nil, nil]}, %q{
 def m(m1, m2, o1=:o1, o2=:o2, *r, p1, p2, &b)

compile.c

@@ -4968,9 +4968,20 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
 
 	    if (flag & VM_CALL_ARGS_BLOCKARG_BIT) {
 		ADD_INSN1(ret, nd_line(node), topn, INT2FIX(1));
+		if (flag & VM_CALL_ARGS_SPLAT_BIT) {
+		    ADD_INSN1(ret, nd_line(node), putobject, INT2FIX(-1));
+		    ADD_SEND(ret, nd_line(node), ID2SYM(idAREF), INT2FIX(1));
+		}
 		ADD_INSN1(ret, nd_line(node), setn, FIXNUM_INC(argc, 3));
 		ADD_INSN (ret, nd_line(node), pop);
 	    }
+	    else if (flag & VM_CALL_ARGS_SPLAT_BIT) {
+		ADD_INSN(ret, nd_line(node), dup);
+		ADD_INSN1(ret, nd_line(node), putobject, INT2FIX(-1));
+		ADD_SEND(ret, nd_line(node), ID2SYM(idAREF), INT2FIX(1));
+		ADD_INSN1(ret, nd_line(node), setn, FIXNUM_INC(argc, 2));
+		ADD_INSN (ret, nd_line(node), pop);
+	    }
 	    else {
 		ADD_INSN1(ret, nd_line(node), setn, FIXNUM_INC(argc, 1));
 	    }