re PR c++/10793 (ICE (treecheck) when partial-specializing with an invalid type and...

	PR c++/10793
	* decl.c (xref_basetypes): Handle error_mark_node.

	* g++.dg/template/crash9.C: New test.

From-SVN: r69671

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index d7a5966..79565c6 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2003-07-22  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+       PR c++/10793
+       * decl.c (xref_basetypes): Handle error_mark_node.
+
 2003-07-22  Nathan Sidwell  <nathan@codesourcery.com>
 
        * cp-tree.h (enum cp_lvalue_kind): Add clk_packed.

diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index eb0902d..9e90d9e 100644 (file)
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -12831,6 +12831,9 @@ xref_basetypes (tree ref, tree base_list)
   int i;
   enum tag_types tag_code;
 
+  if (ref == error_mark_node)
+    return;
+
   if (TREE_CODE (ref) == UNION_TYPE)
     {
       error ("derived union `%T' invalid", ref);

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 49f0c61..eddfa73 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2003-07-22  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+       PR c++/10793
+       * g++.dg/template/crash9.C: New test.
+
 2003-07-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
        PR c++/3004

diff --git a/gcc/testsuite/g++.dg/parse/crash9.C b/gcc/testsuite/g++.dg/parse/crash9.C
new file mode 100644 (file)
index 0000000..44ce57b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/parse/crash9.C
@@ -0,0 +1,9 @@
+// { dg-do compile }
+
+// Origin: Volker Reichelt <reichelt@gcc.gnu.org>
+
+// PR c++/10793: ICE in handling base class when the current class
+// contains error.
+
+template <typename> struct A {};
+template <typename> struct A<INVALID> : A<int> { }; // { dg-error "not declared|invalid" }