re PR c++/49152 (pretty printer cannot handle iterators and other complex expressions)

re PR c++/49152 (pretty printer cannot handle iterators and other complex expressions)

/cp
2012-04-16  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/49152
	* call.c (op_error): Print types; when flag_diagnostics_show_caret
	is false print expressions too.
	(op_error_string): Add.

/testsuite
2012-04-16  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/49152
	* g++.dg/diagnostic/operator1.C: New.
	* g++.dg/ext/label5.C: Adjust.
	* g++.dg/ext/va-arg1.C: Likewise.
	* g++.dg/other/error20.C: Likewise.
	* g++.dg/other/error20.C: Likewise.
	* g++.dg/other/error16.C: Likewise.
	* g++.dg/other/error10.C: Likewise.
	* g++.dg/parse/error30.C: Likewise.
	* g++.dg/cpp0x/lambda/lambda-err1.C: Likewise.

From-SVN: r186499