* name-lookup.c (check_for_out_of_scope_variable): Avoid ICE by

	returning when TREE_TYPE is error_mark_node.
	* typeck.c (require_complete_type): Return error_mark_node if
	value's type is an error_mark_node.

	* g++.dg/lookup/forscope2.C: New test case.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@82133 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index e4836fd..03cc5a8 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,10 @@
+2004-05-22  Roger Sayle  <roger@eyesopen.com>
+
+       * name-lookup.c (check_for_out_of_scope_variable): Avoid ICE by
+       returning when TREE_TYPE is error_mark_node.
+       * typeck.c (require_complete_type): Return error_mark_node if
+       value's type is an error_mark_node.
+
 2005-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
 
        * optimize.c (calls_setjmp_r): Remove.

diff --git a/gcc/cp/name-lookup.c b/gcc/cp/name-lookup.c
index b3cc1de..3888834 100644 (file)
--- a/gcc/cp/name-lookup.c
+++ b/gcc/cp/name-lookup.c
@@ -1151,6 +1151,10 @@ check_for_out_of_scope_variable (tree decl)
     return decl;
 
   DECL_ERROR_REPORTED (decl) = 1;
+
+  if (TREE_TYPE (decl) == error_mark_node)
+    return decl;
+
   if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (TREE_TYPE (decl)))
     {
       error ("name lookup of `%D' changed for new ISO `for' scoping",

diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c
index 2bfd743..3e9c2cf 100644 (file)
--- a/gcc/cp/typeck.c
+++ b/gcc/cp/typeck.c
@@ -96,6 +96,9 @@ require_complete_type (tree value)
   else
     type = TREE_TYPE (value);
 
+  if (type == error_mark_node)
+    return error_mark_node;
+
   /* First, detect a valid value with a complete type.  */
   if (COMPLETE_TYPE_P (type))
     return value;

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 95fc70c..13b309c 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2004-05-22  Wolfgang Bangerth  <bangerth@dealii.org>
+           Roger Sayle  <roger@eyesopen.com>
+
+       * g++.dg/lookup/forscope2.C: New test case.
+
 2004-05-22  Ben Elliston  <bje@au.ibm.com>
 
        * gcc.dg/cpp/Wmissingdirs.c: New.

diff --git a/gcc/testsuite/g++.dg/lookup/forscope2.C b/gcc/testsuite/g++.dg/lookup/forscope2.C
new file mode 100644 (file)
index 0000000..1fed957
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/forscope2.C
@@ -0,0 +1,9 @@
+// { dg-do compile }
+
+struct S {
+  void foo() {
+     for (_ptr; ;) {}  // { dg-error "not declared" }
+     _ptr = 0;
+    }
+};
+