nobu	2018-01-21 16:44:25 +0900 (Sun, 21 Jan 2018)

  New Revision: 62000

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62000

  Log:
    parse.y: fix state after left brace
    
    * parse.y (parser_yylex): as well as `tLBRACE_ARG` (expr block),
      `tLBRACE` (primary block) also does not accept a label.  only
      hash brace accepts a label.

  Modified files:
    trunk/parse.y
Index: parse.y
===================================================================
--- parse.y	(revision 61999)
+++ parse.y	(revision 62000)
@@ -8082,7 +8082,7 @@ parser_yylex(struct parser_params *p) https://github.com/ruby/ruby/blob/trunk/parse.y#L8082
 	    c = tLBRACE;      /* hash */
 	COND_PUSH(0);
 	CMDARG_PUSH(0);
-	SET_LEX_STATE(c == tLBRACE_ARG ? EXPR_BEG : EXPR_BEG|EXPR_LABEL);
+	SET_LEX_STATE(c != tLBRACE ? EXPR_BEG : EXPR_BEG|EXPR_LABEL);
 	if (c != tLBRACE) p->command_start = TRUE;
 	return c;
 

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