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tests: fix invalid assignment when using variants in C++11

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* tests/c++.at (Exception safety): In variant mode $$ is an instance
of Object.  Assigning YY_NULL in C++98 is incorrect, but behaves ok,
as it assigns YY_NULL=0 using Object::operator= (char v).  It is wrong
in C++11 as there is operator for "$$ = nullptr".
This commit is contained in:
Akim Demaille
2013-07-25 17:45:19 +02:00
parent d3ae5af6ec
commit afcc58c63e
1 changed files with 3 additions and 3 deletions
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6
tests/c++.at
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@@ -795,11 +795,11 @@ item:
// Not just 'E', otherwise we reduce when 'E' is the lookahead, and
// then the stack is emptied, defeating the point of the test.
| 'E' 'a' { YYUSE($][1); $][$ = $][2; }
| 'R' { $][$ = YY_NULL; ]AT_VARIANT_IF([], [delete $][1]; )[YYERROR; }
| 'R' { ]AT_VARIANT_IF([], [$][$ = YY_NULL; delete $][1]; )[YYERROR; }
| 'p' { $][$ = $][1; }
| 's' { $][$ = $][1; throw std::runtime_error ("reduction"); }
| 'T' { $][$ = YY_NULL; ]AT_VARIANT_IF([], [delete $][1]; )[YYABORT; }
| error { $][$ = YY_NULL; yyerrok; }
| 'T' { ]AT_VARIANT_IF([], [$][$ = YY_NULL; delete $][1]; )[YYABORT; }
| error { ]AT_VARIANT_IF([], [$][$ = YY_NULL; ])[yyerrok; }
;
%%