re PR c++/10956 (ICE when specializing a template member function of a template class, in tsubst, at cp/pt.c:6459)

	PR c++/10956
	* pt.c (instantiate_decl): Don't use full template arguments if
	we are dealing with specializations.

	* g++.dg/template/spec9.C: New test.

From-SVN: r67268

1 files changed, 21 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/template/spec9.C b/gcc/testsuite/g++.dg/template/spec9.C
new file mode 100644
index 00000000000..013fa0d9920
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/spec9.C
@@ -0,0 +1,21 @@
+// { dg-do compile }
+
+// Origin: Lynn Akers <lakers@peachtree.com>
+//	   Wolfgang Bangerth <bangerth@ticam.utexas.edu>
+
+// PR c++/10956: Incorrect template substitution for member template
+// specialization inside template class.
+
+template <int> struct C {
+    template<typename T> void pre_add(T);
+};
+
+template<>
+template<typename T>
+void C<32>::pre_add(T) {
+  T pre;
+}
+
+int main() {
+  C<32>().pre_add<int>(1);
+}