re PR c++/89488 (ICE in merge_exception_specifiers, at cp/typeck2.c:2395)

re PR c++/89488 (ICE in merge_exception_specifiers, at cp/typeck2.c:2395)

/cp
2019-02-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/89488
	* method.c (process_subob_fn): When maybe_instantiate_noexcept
	returns false don't call merge_exception_specifiers.

/testsuite
2019-02-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/89488
	* g++.dg/cpp0x/nsdmi15.C: New.

/cp
2019-02-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/88987
	* parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE
	for a non-constant parsed expression.

/testsuite
2019-02-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/88987
	* g++.dg/cpp0x/pr88987.C: New.

From-SVN: r269245