re PR c++/57673 (pack sizeof ... groups ellipsis with preceding expression)

/cp
2013-07-30  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/57673
	* parser.c (cp_parser_cache_defarg): In an NSDMI don't stop when
	token->type == CPP_ELLIPSIS.

/testsuite
2013-07-30  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/57673
	* g++.dg/cpp0x/nsdmi-sizeof.C: New.

From-SVN: r201354

gcc/cp/ChangeLog

 2013-07-30  Paolo Carlini  <paolo.carlini@oracle.com>
 
+	PR c++/57673
+	* parser.c (cp_parser_cache_defarg): In an NSDMI don't stop when
+	token->type == CPP_ELLIPSIS.
+
+2013-07-30  Paolo Carlini  <paolo.carlini@oracle.com>
+
 	PR c++/57947
 	* call.c (is_std_init_list): Return false if cxx_dialect == cxx98.
 

gcc/cp/parser.c

@@ -24145,7 +24145,9 @@ cp_parser_cache_defarg (cp_parser *parser, bool nsdmi)
 	case CPP_SEMICOLON:
 	case CPP_CLOSE_BRACE:
 	case CPP_CLOSE_SQUARE:
-	  if (depth == 0)
+	  if (depth == 0
+	      /* Handle correctly int n = sizeof ... ( p );  */
+	      && !(nsdmi && token->type == CPP_ELLIPSIS))
 	    done = true;
 	  /* Update DEPTH, if necessary.  */
 	  else if (token->type == CPP_CLOSE_PAREN

gcc/testsuite/ChangeLog

+2013-07-30  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/57673
+	* g++.dg/cpp0x/nsdmi-sizeof.C: New.
+
 2013-07-30  Steve Ellcey  <sellcey@mips.com>
 
 	* gcc.target/mips/code-readable-1.c: Increase switch size.

gcc/testsuite/g++.dg/cpp0x/nsdmi-sizeof.C

+// PR c++/57673
+// { dg-do compile { target c++11 } }
+
+template< int ... p >
+struct d {
+  int n = sizeof ... ( p );
+};