Quoting Martin:

The semantics of this test case are implementation-defined, as per
[lib.support.types]/4. Therefore, I propose to delete it.

From-SVN: r20186

gcc/testsuite/g++.old-deja/g++.robertl/eb88.C

@@ -1,7 +0,0 @@
-#include <stddef.h>
-int main()
-{
-  throw(NULL);
-}
-// The code works as expected, when NULL is cast to void* explicitly [
-// throw((void*)NULL); ].