From: Jason Merrill <jason@redhat.com>
Date: Tue, 25 Mar 2014 18:00:30 +0000 (-0400)
Subject: re PR c++/60628 ([c++11] ICE initializing array of auto)
X-Git-Tag: releases/gcc-4.9.0~311
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=45156f1474c97ecc7147951b36714fe4655676af;p=thirdparty%2Fgcc.git

re PR c++/60628 ([c++11] ICE initializing array of auto)

	PR c++/60628
	* decl.c (create_array_type_for_decl): Complain about array of auto.

From-SVN: r208816
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index a5a369564de1..47c989098ca4 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2014-03-25  Jason Merrill  <jason@redhat.com>
+
+	PR c++/60628
+	* decl.c (create_array_type_for_decl): Complain about array of auto.
+
 2014-03-25  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/60331
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index c912ffcb5062..f3a081b8a8f5 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -8534,6 +8534,14 @@ create_array_type_for_decl (tree name, tree type, tree size)
       && (flag_iso || warn_vla > 0))
     pedwarn (input_location, OPT_Wvla, "array of array of runtime bound");
 
+  /* 8.3.4p1: ...if the type of the identifier of D contains the auto
+     type-specifier, the program is ill-formed.  */
+  if (type_uses_auto (type))
+    {
+      error ("%qD declared as array of %qT", name, type);
+      return error_mark_node;
+    }
+
   /* Figure out the index type for the array.  */
   if (size)
     itype = compute_array_index_type (name, size, tf_warning_or_error);
diff --git a/gcc/testsuite/g++.dg/cpp0x/auto42.C b/gcc/testsuite/g++.dg/cpp0x/auto42.C
new file mode 100644
index 000000000000..fea4c28d84d9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/auto42.C
@@ -0,0 +1,9 @@
+// PR c++/60628
+// { dg-do compile { target c++11 } }
+
+#include <initializer_list>
+
+void foo(int i)
+{
+  auto x[1] = { 0 };		// { dg-error "array of .auto" }
+}