merge revision(s) r45724: [Backport #9776]

	* compile.c (compile_array_): make copy a first hash not to modify
	  the argument itself.  keyword splat should be non-destructive.
	  [ruby-core:62161] [Bug #9776]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@46451 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/compile.c b/compile.c
index e96a9829d4..52656dca8c 100644
--- a/compile.c
+++ b/compile.c
@@ -2479,6 +2479,7 @@ compile_array_(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE* node_root,
 			    if (i > 0 || !first) ADD_INSN(ret, line, swap);
 			    COMPILE(ret, "keyword splat", kw);
 			    ADD_SEND(ret, line, ID2SYM(id_core_hash_merge_kwd), nhash);
+			    if (nhash == INT2FIX(1)) ADD_SEND(ret, line, ID2SYM(rb_intern("dup")), INT2FIX(0));
 			}
 			first = 0;
 			break;