parse.y: labeled heredoc

* parse.y (parser_yylex): allow here documents in labeled
  argument.  [ruby-core:72396] [Bug #11849]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53214 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/parse.y b/parse.y
index 23c0b1b328..c77b7a558d 100644
--- a/parse.y
+++ b/parse.y
@@ -8330,7 +8330,7 @@ parser_yylex(struct parser_params *parser)
 	if (c == '<' &&
 	    !IS_lex_state(EXPR_DOT | EXPR_CLASS) &&
 	    !IS_END() &&
-	    (!IS_ARG() || space_seen)) {
+	    (!IS_ARG() || IS_lex_state(EXPR_LABELED) || space_seen)) {
 	    int token = heredoc_identifier();
 	    if (token) return token;
 	}