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authorjason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>2013-03-17 02:34:31 +0000
committerjason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>2013-03-17 02:34:31 +0000
commitd9b147554d6c9f015b79ec09beda789d62a35fc3 (patch)
tree676cbc9dba69f0ecdae8dc6f0e2276c2b024032e
parent087cff1f6befaed48a85c0ee2fd52f6a7d1e18e4 (diff)
downloadgcc-d9b147554d6c9f015b79ec09beda789d62a35fc3.tar.gz
PR c++/55241
* error.c (dump_expr) [SIZEOF_EXPR]: Print sizeof... properly. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@196726 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/cp/ChangeLog3
-rw-r--r--gcc/cp/error.c14
-rw-r--r--gcc/testsuite/g++.dg/diagnostic/variadic1.C9
3 files changed, 23 insertions, 3 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 14bab43a32b..5b278201f7b 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,8 @@
2013-03-16 Jason Merrill <jason@redhat.com>
+ PR c++/55241
+ * error.c (dump_expr) [SIZEOF_EXPR]: Print sizeof... properly.
+
* parser.c (lookup_literal_operator): Correct parm/arg naming
mixup.
diff --git a/gcc/cp/error.c b/gcc/cp/error.c
index c2bf54dcb2c..c3dce1dd5b3 100644
--- a/gcc/cp/error.c
+++ b/gcc/cp/error.c
@@ -1783,6 +1783,8 @@ resolve_virtual_fun_from_obj_type_ref (tree ref)
static void
dump_expr (tree t, int flags)
{
+ tree op;
+
if (t == 0)
return;
@@ -2316,14 +2318,20 @@ dump_expr (tree t, int flags)
gcc_assert (TREE_CODE (t) == ALIGNOF_EXPR);
pp_cxx_ws_string (cxx_pp, "__alignof__");
}
+ op = TREE_OPERAND (t, 0);
+ if (PACK_EXPANSION_P (op))
+ {
+ pp_string (cxx_pp, "...");
+ op = PACK_EXPANSION_PATTERN (op);
+ }
pp_cxx_whitespace (cxx_pp);
pp_cxx_left_paren (cxx_pp);
if (TREE_CODE (t) == SIZEOF_EXPR && SIZEOF_EXPR_TYPE_P (t))
- dump_type (TREE_TYPE (TREE_OPERAND (t, 0)), flags);
+ dump_type (TREE_TYPE (op), flags);
else if (TYPE_P (TREE_OPERAND (t, 0)))
- dump_type (TREE_OPERAND (t, 0), flags);
+ dump_type (op, flags);
else
- dump_expr (TREE_OPERAND (t, 0), flags);
+ dump_expr (op, flags);
pp_cxx_right_paren (cxx_pp);
break;
diff --git a/gcc/testsuite/g++.dg/diagnostic/variadic1.C b/gcc/testsuite/g++.dg/diagnostic/variadic1.C
new file mode 100644
index 00000000000..69f1f988f30
--- /dev/null
+++ b/gcc/testsuite/g++.dg/diagnostic/variadic1.C
@@ -0,0 +1,9 @@
+// PR c++/55241
+// { dg-do compile { target c++11 } }
+
+template<int N> struct B { };
+template<typename... T> struct A
+{
+ B<sizeof...(T)> f(); // { dg-error "sizeof\\.\\.\\." }
+ B<42> f(); // { dg-error "cannot be overloaded" }
+};