gcc/cp/ChangeLog:

PR c++/17816
* decl.c (redeclaration_error_message): Report redefinition of
pure virtual function.
gcc/testsuite/ChangeLog:
PR c++/17816
* g++.dg/other/redecl2.C: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95008 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 11 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/other/redecl2.C b/gcc/testsuite/g++.dg/other/redecl2.C
new file mode 100644
index 00000000000..591c258b891
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/redecl2.C
@@ -0,0 +1,11 @@
+// PR c++/17816
+// We failed to report duplicate definitions of pure virtual ns.
+
+// { dg-do compile }
+
+struct S {
+  virtual int foo() = 0;
+};
+ 
+int S::foo() { return 0; } // { dg-error "defined here" }
+int S::foo() { return 0; } // { dg-error "redefinition" }