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tests: fix empty unions.

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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.
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Joel E. Denny committed 2011-08-21 14:45:03 -04:00
1 parent 845346b3bb
commit 7451638148
4 files changed
+17 -4
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@@ -3,6 +3,8 @@ 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):