--- old/src/hotspot/os/aix/os_aix.cpp	2018-06-17 16:00:48.490903233 +0200
+++ new/src/hotspot/os/aix/os_aix.cpp	2018-06-17 16:00:48.386903492 +0200
@@ -3737,16 +3737,6 @@
   return buf[0] == 'y' || buf[0] == 'Y';
 }
 
-int os::stat(const char *path, struct stat *sbuf) {
-  char pathbuf[MAX_PATH];
-  if (strlen(path) > MAX_PATH - 1) {
-    errno = ENAMETOOLONG;
-    return -1;
-  }
-  os::native_path(strcpy(pathbuf, path));
-  return ::stat(pathbuf, sbuf);
-}
-
 // Is a (classpath) directory empty?
 bool os::dir_is_empty(const char* path) {
   DIR *dir = NULL;
--- old/src/hotspot/os/aix/os_aix.inline.hpp	2018-06-17 16:00:48.770902533 +0200
+++ new/src/hotspot/os/aix/os_aix.inline.hpp	2018-06-17 16:00:48.670902782 +0200
@@ -93,10 +93,6 @@
   return ::fsync(fd);
 }
 
-inline char* os::native_path(char *path) {
-  return path;
-}
-
 inline int os::ftruncate(int fd, jlong length) {
   return ::ftruncate64(fd, length);
 }
--- old/src/hotspot/os/bsd/os_bsd.cpp	2018-06-17 16:00:49.030901884 +0200
+++ new/src/hotspot/os/bsd/os_bsd.cpp	2018-06-17 16:00:48.930902133 +0200
@@ -3489,16 +3489,6 @@
   return buf[0] == 'y' || buf[0] == 'Y';
 }
 
-int os::stat(const char *path, struct stat *sbuf) {
-  char pathbuf[MAX_PATH];
-  if (strlen(path) > MAX_PATH - 1) {
-    errno = ENAMETOOLONG;
-    return -1;
-  }
-  os::native_path(strcpy(pathbuf, path));
-  return ::stat(pathbuf, sbuf);
-}
-
 static inline struct timespec get_mtime(const char* filename) {
   struct stat st;
   int ret = os::stat(filename, &st);
--- old/src/hotspot/os/bsd/os_bsd.inline.hpp	2018-06-17 16:00:49.310901199 +0200
+++ new/src/hotspot/os/bsd/os_bsd.inline.hpp	2018-06-17 16:00:49.210901443 +0200
@@ -96,10 +96,6 @@
   return ::fsync(fd);
 }
 
-inline char* os::native_path(char *path) {
-  return path;
-}
-
 inline int os::ftruncate(int fd, jlong length) {
   return ::ftruncate(fd, length);
 }
--- old/src/hotspot/os/linux/os_linux.cpp	2018-06-17 16:00:49.574900551 +0200
+++ new/src/hotspot/os/linux/os_linux.cpp	2018-06-17 16:00:49.470900805 +0200
@@ -5378,16 +5378,6 @@
   return buf[0] == 'y' || buf[0] == 'Y';
 }
 
-int os::stat(const char *path, struct stat *sbuf) {
-  char pathbuf[MAX_PATH];
-  if (strlen(path) > MAX_PATH - 1) {
-    errno = ENAMETOOLONG;
-    return -1;
-  }
-  os::native_path(strcpy(pathbuf, path));
-  return ::stat(pathbuf, sbuf);
-}
-
 // Is a (classpath) directory empty?
 bool os::dir_is_empty(const char* path) {
   DIR *dir = NULL;
--- old/src/hotspot/os/linux/os_linux.inline.hpp	2018-06-17 16:00:49.866899835 +0200
+++ new/src/hotspot/os/linux/os_linux.inline.hpp	2018-06-17 16:00:49.762900090 +0200
@@ -88,10 +88,6 @@
   return ::fsync(fd);
 }
 
-inline char* os::native_path(char *path) {
-  return path;
-}
-
 inline int os::ftruncate(int fd, jlong length) {
   return ::ftruncate64(fd, length);
 }
--- old/src/hotspot/os/posix/os_posix.cpp	2018-06-17 16:00:50.126899204 +0200
+++ new/src/hotspot/os/posix/os_posix.cpp	2018-06-17 16:00:50.026899443 +0200
@@ -1334,6 +1334,13 @@
 
 }
 
+int os::stat(const char *path, struct stat *sbuf) {
+  return ::stat(path, sbuf);
+}
+
+char * os::native_path(char *path) {
+  return path;
+}
 
 // Check minimum allowable stack sizes for thread creation and to initialize
 // the java system classes, including StackOverflowError - depends on page
--- old/src/hotspot/os/solaris/os_solaris.cpp	2018-06-17 16:00:50.398898550 +0200
+++ new/src/hotspot/os/solaris/os_solaris.cpp	2018-06-17 16:00:50.294898800 +0200
@@ -1667,16 +1667,6 @@
   return (void*)::dlopen(NULL, RTLD_LAZY);
 }
 
-int os::stat(const char *path, struct stat *sbuf) {
-  char pathbuf[MAX_PATH];
-  if (strlen(path) > MAX_PATH - 1) {
-    errno = ENAMETOOLONG;
-    return -1;
-  }
-  os::native_path(strcpy(pathbuf, path));
-  return ::stat(pathbuf, sbuf);
-}
-
 static inline time_t get_mtime(const char* filename) {
   struct stat st;
   int ret = os::stat(filename, &st);
@@ -4474,10 +4464,6 @@
   return (jlong) ::lseek64(fd, offset, whence);
 }
 
-char * os::native_path(char *path) {
-  return path;
-}
-
 int os::ftruncate(int fd, jlong length) {
   return ::ftruncate64(fd, length);
 }
--- old/src/hotspot/os/windows/os_windows.cpp	2018-06-17 16:00:50.698897829 +0200
+++ new/src/hotspot/os/windows/os_windows.cpp	2018-06-17 16:00:50.590898088 +0200
@@ -4544,6 +4544,9 @@
 // system.  Because this might be a double-byte encoding, care is taken to
 // treat double-byte lead characters correctly.
 //
+// On Posix platforms, this function is a noop; it just returns the
+// input argument unchanged.
+//
 // This procedure modifies the given path in place, as the result is never
 // longer than the original.  There is no error return; this operation always
 // succeeds.