parse.y: should not deent concatenated string

* parse.y (xstring): reset heredoc indent after dedenting,
  so that following string literal would not be dedented.
  [ruby-core:72857] [Bug #11990]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53555 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/parse.y b/parse.y
index cddd97114b..57cd313cc5 100644
--- a/parse.y
+++ b/parse.y
@@ -3950,6 +3950,7 @@ xstring		: tXSTRING_BEG xstring_contents tSTRING_END
 		    /*%
 		    %*/
 			heredoc_dedent($2);
+			heredoc_indent = 0;
 		    /*%%%*/
 			if (!node) {
 			    node = NEW_XSTR(STR_NEW0());