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/cp
authorpaolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 27 May 2011 14:21:33 +0000 (14:21 +0000)
committerpaolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 27 May 2011 14:21:33 +0000 (14:21 +0000)
2011-05-27  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/42056
* typeck2.c (build_functional_cast): Complain early for invalid uses
of 'auto' and set type to error_mark_node.

/testsuite
2011-05-27  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/42056
* testsuite/g++.dg/cpp0x/auto25.C: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@174337 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/cp/ChangeLog
gcc/cp/typeck2.c
gcc/testsuite/ChangeLog
gcc/testsuite/g++.dg/cpp0x/auto25.C [new file with mode: 0644]

index ed758c4..cd2ff47 100644 (file)
@@ -1,3 +1,9 @@
+2011-05-27  Paolo Carlini  <paolo.carlini@oracle.com>
+
+       PR c++/42056
+       * typeck2.c (build_functional_cast): Complain early for invalid uses
+       of 'auto' and set type to error_mark_node.
+
 2011-05-26  Jason Merrill  <jason@redhat.com>
 
        PR c++/47721
index c2eff9e..031f076 100644 (file)
@@ -1599,6 +1599,13 @@ build_functional_cast (tree exp, tree parms, tsubst_flags_t complain)
       return error_mark_node;
     }
 
+  if (type_uses_auto (type))
+    {
+      if (complain & tf_error)
+       error ("invalid use of %<auto%>");
+      type = error_mark_node;
+    }
+
   if (processing_template_decl)
     {
       tree t;
index b11ddc2..6189223 100644 (file)
@@ -1,3 +1,8 @@
+2011-05-27  Paolo Carlini  <paolo.carlini@oracle.com>
+
+       PR c++/42056
+       * testsuite/g++.dg/cpp0x/auto25.C: New.
+
 2011-05-27  Richard Guenther  <rguenther@suse.de>
 
        * gcc.c-torture/execute/920711-1.x: Add -fwrapv.
diff --git a/gcc/testsuite/g++.dg/cpp0x/auto25.C b/gcc/testsuite/g++.dg/cpp0x/auto25.C
new file mode 100644 (file)
index 0000000..2917c0e
--- /dev/null
@@ -0,0 +1,12 @@
+// PR c++/42056
+// { dg-options -std=c++0x }
+
+template<int> struct A
+{
+  int a[auto(1)]; // { dg-error "invalid use of" }
+};
+
+template<int> void foo()
+{
+  int a[auto(1)]; // { dg-error "invalid use of" }
+}