For ppc64 PIE, it seems that [0xa00000000000,0xc00000000000) may be occupied
which will lead to a segfault in certain kernel configurations
(clang-ppc64le-rhel). Use the `!kUsingConstantSpaceBeg` code path like Fuchsia.
Reviewed By: jsji
Differential Revision: https://reviews.llvm.org/D121257
using PrimaryAllocatorASVT = SizeClassAllocator32<AP32<AddressSpaceView>>;
using PrimaryAllocator = PrimaryAllocatorASVT<LocalAddressSpaceView>;
#elif defined(__x86_64__) || defined(__powerpc64__) || defined(__s390x__)
-# if SANITIZER_FUCHSIA
+# if SANITIZER_FUCHSIA || defined(__powerpc64__)
const uptr kAllocatorSpace = ~(uptr)0;
const uptr kAllocatorSize = 0x40000000000ULL; // 4T.
-# elif defined(__powerpc64__)
-const uptr kAllocatorSpace = 0xa0000000000ULL;
-const uptr kAllocatorSize = 0x20000000000ULL; // 2T.
#elif defined(__s390x__)
const uptr kAllocatorSpace = 0x40000000000ULL;
const uptr kAllocatorSize = 0x40000000000ULL; // 4T.