re PR sanitizer/85389 (posix_memalign() crash with address sanitizer when…

re PR sanitizer/85389 (posix_memalign() crash with address sanitizer when passing invalid arguments)

	PR sanitizer/85389
	* asan/asan_allocator.h (kAllocatorSpace): For __powerpc64__ change
	from 0xa0000000000ULL to ~(uptr)0.

From-SVN: r259459

libsanitizer/ChangeLog

+2018-04-18  Bill Seurer  <seurer@linux.vnet.ibm.com>
+
+	PR sanitizer/85389
+	* asan/asan_allocator.h (kAllocatorSpace): For __powerpc64__ change
+	from 0xa0000000000ULL to ~(uptr)0.
+
 2018-03-19  Jakub Jelinek  <jakub@redhat.com>
 
 	PR sanitizer/84761

libsanitizer/asan/asan_allocator.h

@@ -122,7 +122,7 @@ const uptr kAllocatorSpace = ~(uptr)0;
 const uptr kAllocatorSize  =  0x40000000000ULL;  // 4T.
 typedef DefaultSizeClassMap SizeClassMap;
 # elif defined(__powerpc64__)
-const uptr kAllocatorSpace =  0xa0000000000ULL;
+const uptr kAllocatorSpace = ~(uptr)0;
 const uptr kAllocatorSize  =  0x20000000000ULL;  // 2T.
 typedef DefaultSizeClassMap SizeClassMap;
 # elif defined(__aarch64__) && SANITIZER_ANDROID