Replace NODE_STRTERM and NODE_HEREDOC with imemo_strterm

Just refactoring.

NODE_STRTERM and NODE_HEREDOC are not an internal node of AST, but a
temporary storage for managing termination of string literals and
heredocs.  Instead of NODE abuse, I want to use imemo for the storage
in order to avoid (my) confusion.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60634 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/gc.c b/gc.c
index 0d6163ea98..e856fbf9cb 100644
--- a/gc.c
+++ b/gc.c
@@ -4546,6 +4546,9 @@ gc_mark_imemo(rb_objspace_t *objspace, VALUE obj)
       case imemo_ast:
 	rb_ast_mark(&RANY(obj)->as.imemo.ast);
 	return;
+      case imemo_strterm:
+	rb_strterm_mark(obj);
+	return;
 #if VM_CHECK_MODE > 0
       default:
 	VM_UNREACHABLE(gc_mark_imemo);