dirname() should not normalize paths

This is the BC piece with the case where dirname() is used with an URL.

ext/standard/tests/dir/bug72625.phpt

@@ -45,9 +45,9 @@ while ($tmp > $base) {
 string(%d) "%s/_test/documents/projects/myproject/vendor/name/library/classpath"
 bool(true)
 string(%d) "%s\_test\documents\projects\myproject\vendor\name\library\classpath"
-string(%d) "%s\_test\documents\projects\myproject\vendor\name\library"
+string(%d) "%s/_test/documents/projects/myproject/vendor/name/library"
 string(%d) "%s/_test/documents/projects/myproject/vendor/name/library/classpath/../../../../../../../../_test/documents/projects/myproject/vendor/name/library/../../../../../../../_test/documents/projects/myproject/vendor/name/library/classpath"
 bool(true)
 string(%d) "%s\_test\documents\projects\myproject\vendor\name\library\classpath"
-string(%d) "%s\_test\documents\projects\myproject\vendor\name\library"
+string(%d) "%s/_test/documents/projects/myproject/vendor/name/library"
 ===DONE===

ext/standard/tests/file/dirname_no_path_normalization-win32.phpt

@@ -0,0 +1,27 @@
+--TEST--
+Test dirname() function : regression with path normalization
+--SKIPIF--
+<?php
+if(substr(PHP_OS, 0, 3) != "WIN")
+  die("skip Only valid for Windows");
+?>
+--FILE--
+<?php
+
+$s = '/php_sanity/sanity.php?';
+while (dirname($s) == "/php_sanity" && strlen($s) < 10000) {
+	$s .= str_repeat('X', 250);
+}
+
+if (strlen($s) >= 10000) {
+	echo "OK\n";
+} else {
+	print "ERROR: " . PHP_EOL;
+	var_dump(dirname($s));
+	var_dump(strlen($s));
+} 
+?>
+===DONE===
+--EXPECT--
+OK
+===DONE===

win32/ioutil.c

@@ -445,7 +445,8 @@ PW32IO size_t php_win32_ioutil_dirname(char *path, size_t len)
 	
 	start = path;
 
-	startw = pathw = php_win32_ioutil_conv_any_to_w(path, len, &pathw_len);
+	/* Don't really care about the path normalization, pure parsing here. */
+	startw = pathw = php_win32_cp_conv_any_to_w(path, len, &pathw_len);
 	if (!pathw) {
 		return 0;
 	}