Fix #3184549 - vararg functions and function overloading when using the -fastdispatch option.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12474 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/varargs_overload.i

@@ -0,0 +1,32 @@
+// Tests SWIG's *default* handling of overloading varargs (function varargs, not preprocessor varargs).
+// The default behavior is to simply ignore the varargs.
+%module varargs_overload
+
+%inline %{
+const char *vararg_over1(const char *fmt, ...) {
+  return fmt;
+}
+const char *vararg_over1(int i) {
+  static char buffer[256];
+  sprintf(buffer, "%d", i);
+  return buffer;
+}
+
+const char *vararg_over2(const char *fmt, ...) {
+  return fmt;
+}
+const char *vararg_over2(int i, double j) {
+  static char buffer[256];
+  sprintf(buffer, "%d %g", i, j);
+  return buffer;
+}
+
+const char *vararg_over3(const char *fmt, ...) {
+  return fmt;
+}
+const char *vararg_over3(int i, double j, const char *s) {
+  static char buffer[256];
+  sprintf(buffer, "%d %g %s", i, j, s);
+  return buffer;
+}
+%}