Add missing libsanitizer extra patch (r259664) (PR sanitizer/89941).

2019-04-08  Martin Liska  <mliska@suse.cz>

	PR sanitizer/89941
	* sanitizer_common/sanitizer_platform_limits_linux.cc (defined):
	Reapply patch from r259664.
	* sanitizer_common/sanitizer_platform_limits_posix.h (defined):
	Likewise.

From-SVN: r270208

libsanitizer/ChangeLog

+2019-04-08  Martin Liska  <mliska@suse.cz>
+
+	PR sanitizer/89941
+	* sanitizer_common/sanitizer_platform_limits_linux.cc (defined):
+	Reapply patch from r259664.
+	* sanitizer_common/sanitizer_platform_limits_posix.h (defined):
+	Likewise.
+
 2019-03-13  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR sanitizer/80953

libsanitizer/sanitizer_common/sanitizer_platform_limits_linux.cc

@@ -25,9 +25,12 @@
 
 // With old kernels (and even new kernels on powerpc) asm/stat.h uses types that
 // are not defined anywhere in userspace headers. Fake them. This seems to work
-// fine with newer headers, too.
+// fine with newer headers, too.  Beware that with <sys/stat.h>, struct stat
+// takes the form of struct stat64 on 32-bit platforms if _FILE_OFFSET_BITS=64.
+// Also, for some platforms (e.g. mips) there are additional members in the
+// <sys/stat.h> struct stat:s.
 #include <linux/posix_types.h>
-#if defined(__x86_64__) ||  defined(__mips__)
+#if defined(__x86_64__)
 #include <sys/stat.h>
 #else
 #define ino_t __kernel_ino_t

libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h

@@ -87,7 +87,7 @@ namespace __sanitizer {
 #elif defined(__mips__)
   const unsigned struct_kernel_stat_sz =
                  SANITIZER_ANDROID ? FIRST_32_SECOND_64(104, 128) :
-                                     FIRST_32_SECOND_64(160, 216);
+                                     FIRST_32_SECOND_64(144, 216);
   const unsigned struct_kernel_stat64_sz = 104;
 #elif defined(__s390__) && !defined(__s390x__)
   const unsigned struct_kernel_stat_sz = 64;