* compile.c (iseq_compile_each): Dynamic string literals should be

  frozen.
  [ruby-core:57574] [Feature #8976]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52501 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/compile.c b/compile.c
index ba5f5be5ee..5ad762598e 100644
--- a/compile.c
+++ b/compile.c
@@ -5130,6 +5130,11 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
 	if (poped) {
 	    ADD_INSN(ret, line, pop);
 	}
+	else {
+	    if (iseq->compile_data->option->frozen_string_literal) {
+		ADD_SEND (ret, line, idFreeze, INT2FIX(0));
+	    }
+	}
 	break;
       }
       case NODE_XSTR:{