diff --git a/mingw-w64-tools/widl/VERSION b/mingw-w64-tools/widl/VERSION
index 736b453..7bf8bb6 100644
--- a/mingw-w64-tools/widl/VERSION
+++ b/mingw-w64-tools/widl/VERSION
@@ -1 +1 @@
-WIDL version 6.0-rc1
+WIDL version 6.0-rc3
diff --git a/mingw-w64-tools/widl/configure b/mingw-w64-tools/widl/configure
index 16edfc5..5e3e8ac 100755
--- a/mingw-w64-tools/widl/configure
+++ b/mingw-w64-tools/widl/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for widl 6.0-rc1.
+# Generated by GNU Autoconf 2.69 for widl 6.0-rc3.
 #
 # Report bugs to <mingw-w64-public@lists.sourceforge.net>.
 #
@@ -580,8 +580,8 @@
 # Identity of this package.
 PACKAGE_NAME='widl'
 PACKAGE_TARNAME='widl'
-PACKAGE_VERSION='6.0-rc1'
-PACKAGE_STRING='widl 6.0-rc1'
+PACKAGE_VERSION='6.0-rc3'
+PACKAGE_STRING='widl 6.0-rc3'
 PACKAGE_BUGREPORT='mingw-w64-public@lists.sourceforge.net'
 PACKAGE_URL=''
 
@@ -1296,7 +1296,7 @@
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures widl 6.0-rc1 to adapt to many kinds of systems.
+\`configure' configures widl 6.0-rc3 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1368,7 +1368,7 @@
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of widl 6.0-rc1:";;
+     short | recursive ) echo "Configuration of widl 6.0-rc3:";;
    esac
   cat <<\_ACEOF
 
@@ -1470,7 +1470,7 @@
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-widl configure 6.0-rc1
+widl configure 6.0-rc3
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2023,7 +2023,7 @@
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by widl $as_me 6.0-rc1, which was
+It was created by widl $as_me 6.0-rc3, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2997,7 +2997,7 @@
 
 # Define the identity of the package.
  PACKAGE='widl'
- VERSION='6.0-rc1'
+ VERSION='6.0-rc3'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -5461,7 +5461,7 @@
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by widl $as_me 6.0-rc1, which was
+This file was extended by widl $as_me 6.0-rc3, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -5527,7 +5527,7 @@
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-widl config.status 6.0-rc1
+widl config.status 6.0-rc3
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/mingw-w64-tools/widl/src/parser.tab.c b/mingw-w64-tools/widl/src/parser.tab.c
index c2ea439..ca23de0 100644
--- a/mingw-w64-tools/widl/src/parser.tab.c
+++ b/mingw-w64-tools/widl/src/parser.tab.c
@@ -7669,6 +7669,8 @@
         var_t *begin_func, *finish_func, *func = stmt->u.var, *arg;
         var_list_t *begin_args = NULL, *finish_args = NULL, *args;
 
+        if (is_attr(func->attrs, ATTR_CALLAS)) continue;
+
         args = type_function_get_args(func->declspec.type);
         if (args) LIST_FOR_EACH_ENTRY(arg, args, var_t, entry)
         {
diff --git a/mingw-w64-tools/widl/src/parser.y b/mingw-w64-tools/widl/src/parser.y
index 1d413ca..b729d77 100644
--- a/mingw-w64-tools/widl/src/parser.y
+++ b/mingw-w64-tools/widl/src/parser.y
@@ -2940,6 +2940,8 @@
         var_t *begin_func, *finish_func, *func = stmt->u.var, *arg;
         var_list_t *begin_args = NULL, *finish_args = NULL, *args;
 
+        if (is_attr(func->attrs, ATTR_CALLAS)) continue;
+
         args = type_function_get_args(func->declspec.type);
         if (args) LIST_FOR_EACH_ENTRY(arg, args, var_t, entry)
         {