re PR c++/40405 (ICE with invalid initialization of template member)

	PR c++/40405
	* pt.c (push_template_decl_real): Set DECL_INTERFACE_KNOWN
	if we got the wrong number of template parms.

From-SVN: r196231

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index ed5d399..4a2baa0 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,9 @@
 2013-02-22  Jason Merrill  <jason@redhat.com>
 
+       PR c++/40405
+       * pt.c (push_template_decl_real): Set DECL_INTERFACE_KNOWN
+       if we got the wrong number of template parms.
+
        PR c++/56377
        * pt.c (fn_type_unification): Use explicit args in template
        instantiation context.

diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index a39d114..5ff0821 100644 (file)
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -4782,6 +4782,8 @@ push_template_decl_real (tree decl, bool is_friend)
                  error ("got %d template parameters for %q#T",
                         TREE_VEC_LENGTH (a), current);
                error ("  but %d required", TREE_VEC_LENGTH (t));
+               /* Avoid crash in import_export_decl.  */
+               DECL_INTERFACE_KNOWN (decl) = 1;
                return error_mark_node;
              }
 

diff --git a/gcc/testsuite/g++.dg/template/error49.C b/gcc/testsuite/g++.dg/template/error49.C
new file mode 100644 (file)
index 0000000..57789a7
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/error49.C
@@ -0,0 +1,10 @@
+// PR c++/40405
+
+template<int, int> struct A
+{
+  static int i;
+};
+
+template<int> int A<0,0>::i = 0; // { dg-error "" }
+
+int j = A<0,0>::i;