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authorJason Merrill <jason@redhat.com>2008-01-22 10:59:57 -0500
committerJason Merrill <jason@gcc.gnu.org>2008-01-22 10:59:57 -0500
commitd4175b9f4b99726ca4e218d99debcc0ba25a4233 (patch)
tree386029ee929072b8b380aa94f5c8e282c722fcc8
parentdab3cc758a1319c64736da0a04fdf4bd74f2498e (diff)
downloadgcc-d4175b9f4b99726ca4e218d99debcc0ba25a4233.tar.gz
re PR c++/33959 (ICE in instantiate_class_template, at cp/pt.c:6649)
PR c++/33959 * pt.c (tsubst_aggr_type): Make sure our context is complete. From-SVN: r131725
-rw-r--r--gcc/cp/ChangeLog5
-rw-r--r--gcc/cp/pt.c9
-rw-r--r--gcc/testsuite/g++.dg/template/nested5.C19
3 files changed, 31 insertions, 2 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 675aca54e27..7d02bb5b1e6 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2008-01-21 Jason Merrill <jason@redhat.com>
+
+ PR c++/33959
+ * pt.c (tsubst_aggr_type): Make sure our context is complete.
+
2008-01-02 Volker Reichelt <reichelt@netcologne.de>
Backport:
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index a837ba2076d..9a6f2fc9cc6 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -6325,8 +6325,13 @@ tsubst_aggr_type (tree t,
up. */
context = TYPE_CONTEXT (t);
if (context)
- context = tsubst_aggr_type (context, args, complain,
- in_decl, /*entering_scope=*/1);
+ {
+ context = tsubst_aggr_type (context, args, complain,
+ in_decl, /*entering_scope=*/1);
+ /* If context is a nested class inside a class template,
+ it may still need to be instantiated (c++/33959). */
+ complete_type (context);
+ }
/* Then, figure out what arguments are appropriate for the
type we are trying to find. For example, given:
diff --git a/gcc/testsuite/g++.dg/template/nested5.C b/gcc/testsuite/g++.dg/template/nested5.C
new file mode 100644
index 00000000000..3850fdace3a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/nested5.C
@@ -0,0 +1,19 @@
+// PR c++/33959
+
+template <typename T> struct A
+{
+ struct C
+ {
+ template <typename U> struct D {};
+ };
+ template <typename S> static C::D<S> bar (S const &);
+};
+
+struct E {};
+
+int
+main ()
+{
+ E e;
+ A<E>::bar (e);
+}