32-bit constant address space is declared as 6, so the
maximum number of address spaces is 6, not 5.
Fixes "LLVM ERROR: Pointer address space out of range".
v3: use static_assert()
v2: add a very simple test for 32-bit addr space
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106630
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
llvm-svn: 340171