tests: fix empty unions.

Empty unions are not accepted by the ISO C99 grammar or by at
least some versions of Sun Studio.  Reported by Wolfgang S. Kechel
at
<http://lists.gnu.org/archive/html/bug-bison/2011-08/msg00003.html>.
* NEWS (2.5.1): Document fix.
* THANKS (Wolfgang S. Kechel): Add.
* tests/existing.at (GNU Cim Grammar)
(GNU pic (Groff 1.18.1) Grammar.): Remove empty %union.
(cherry picked from commit 7451638148)
This commit is contained in:
Joel E. Denny
2011-08-21 14:45:03 -04:00
parent e969014232
commit 765e1bd4fc
4 changed files with 17 additions and 4 deletions

2
NEWS
View File

@@ -62,6 +62,8 @@ Bison News
* Changes in version 2.5.1 (????-??-??):
** Some portability problems in the test suite have been fixed.
** Minor improvements have been made to the manual.
* Changes in version 2.5 (2011-05-14):