https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89052
--- Comment #2 from joseph at codesourcery dot com ---
I'd say it's a bug for GCC to need to allocate memory for the trailing
zero-initialized part of such an object at all; it should only need to
allocate memory for the initial part and rememb
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89052
--- Comment #1 from Martin Sebor ---
Clang seems to use SIZE_MAX / 8 as the maximum object size and gives an error
for any object whose size exceeds that. But it doesn't seem to doesn't track
total object sizes and crashes in LLVM as it runs out
