re PR c++/42057 (ICE with invalid parameter of virtual function)

2009-12-01  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/42057
	* g++.dg/parse/crash54.C: New.

From-SVN: r154865

gcc/testsuite/ChangeLog

+2009-12-01  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/42057
+	* g++.dg/parse/crash54.C: New.
+
 2009-11-30  Chao-ying Fu  <fu@mips.com>
 
 	* gcc.target/mips/dsp-lhx.c: New test.

gcc/testsuite/g++.dg/parse/crash54.C

+// PR c++/42057
+
+struct A; // { dg-error "forward declaration" }
+
+struct B
+{
+  virtual B* foo(A);
+};
+
+struct C : virtual B
+{
+  virtual C* foo(A) { return 0; } // { dg-error "incomplete type" }
+};
+
+C c;