re PR c++/17431 (Internal error: Segmentation fault (program cc1plus))
cp:
PR c++/17431
* call.c (standard_conversion): Add FLAGS parameter. Do not allow
derived to base conversion when checking constructor
accessibility.
(implicit_conversion): Pass FLAGS to standard_conversion.
(check_constructir_callable): Disallow conversion functions.
testsuite:
PR c++/17431
* g++.dg/overload/arg1.C: New.
* g++.dg/overload/arg2.C: New.
* g++.dg/overload/arg3.C: New.
* g++.dg/overload/arg4.C: New.
From-SVN: r91559