re PR c++/44045 (initialization of array of shared_ptr's with initializer list causes compiler segfault)

PR c++/44045
	* typeck.c (cp_build_modify_expr): Complain about assignment to
	array from init list.

From-SVN: r159243

gcc/cp/ChangeLog

@@ -1,3 +1,9 @@
+2010-05-10  Jason Merrill  <jason@redhat.com>
+
+	PR c++/44045
+	* typeck.c (cp_build_modify_expr): Complain about assignment to
+	array from init list.
+
 2010-05-10  Fabien Chêne  <fabien.chene@gmail.com>
 
 	PR c++/43719

gcc/cp/typeck.c

@@ -6634,6 +6634,12 @@ cp_build_modify_expr (tree lhs, enum tree_code modifycode, tree rhs,
 
       if (BRACE_ENCLOSED_INITIALIZER_P (newrhs))
 	{
+	  if (modifycode != INIT_EXPR)
+	    {
+	      if (complain & tf_error)
+		error ("assigning to an array from an initializer list");
+	      return error_mark_node;
+	    }
 	  if (check_array_initializer (lhs, lhstype, newrhs))
 	    return error_mark_node;
 	  newrhs = digest_init (lhstype, newrhs);

gcc/testsuite/ChangeLog

@@ -1,3 +1,10 @@
+2010-05-10  Jason Merrill  <jason@redhat.com>
+
+	PR c++/44045
+	* g++.dg/cpp0x/initlist33.C: New.
+	* g++.dg/cpp0x/initlist26.C: Adjust.
+	* g++.dg/cpp0x/initlist28.C: Adjust.
+
 2010-05-10  Fabien Chêne  <fabien.chene@gmail.com>
 
 	PR c++/43719

gcc/testsuite/g++.dg/cpp0x/initlist26.C

@@ -6,5 +6,5 @@ void
 foo (int i)
 {
   int a[i];
-  a = { }; // { dg-error "may not be initialized" }
+  a = { }; // { dg-error "assign" }
 }

gcc/testsuite/g++.dg/cpp0x/initlist28.C

@@ -4,5 +4,5 @@
 void foo()
 {
   int a[1];
-  throw a = {}; // { dg-error "invalid use of non-lvalue array" }
+  throw a = {}; // { dg-error "assign" }
 }

gcc/testsuite/g++.dg/cpp0x/initlist33.C

@@ -0,0 +1,13 @@
+// PR c++/44045
+// { dg-options "-std=c++0x" }
+
+struct base
+{
+   virtual ~base() { }
+};
+
+int main()
+{
+ base ptr_array[1];
+ ptr_array = { base() };	// { dg-error "assign" }
+}