d-demangle.c (dlang_function_args): Append ',' for variadic functions only if parameters were seen before the...

libiberty/ChangeLog:

2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-demangle.c (dlang_function_args): Append ',' for variadic functions
	only if parameters were seen before the elipsis symbol.
	* testsuite/d-demangle-expected: Add coverage test for parameter-less
	variadic functions.

From-SVN: r232863

libiberty/ChangeLog

@@ -1,3 +1,10 @@
+2016-01-27  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* d-demangle.c (dlang_function_args): Append ',' for variadic functions
+	only if parameters were seen before the elipsis symbol.
+	* testsuite/d-demangle-expected: Add coverage test for parameter-less
+	variadic functions.
+
 2016-01-27  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* d-demangle.c (dlang_type): Handle function types only in the context

libiberty/d-demangle.c

@@ -399,7 +399,9 @@ dlang_function_args (string *decl, const char *mangled)
 	  return mangled;
 	case 'Y': /* (variadic T t, ...) style.  */
 	  mangled++;
-	  string_append (decl, ", ...");
+	  if (n != 0)
+	    string_append (decl, ", ");
+	  string_append (decl, "...");
 	  return mangled;
 	case 'Z': /* Normal function.  */
 	  mangled++;

libiberty/testsuite/d-demangle-expected

@@ -342,6 +342,10 @@ _D8demangle4testFaaYv
 demangle.test(char, char, ...)
 #
 --format=dlang
+_D8demangle4testFYv
+demangle.test(...)
+#
+--format=dlang
 _D8demangle4testFaaZv
 demangle.test(char, char)
 #