The BUILD_BUG_ON() assertion was commented out in commit 
38634e676992
("powerpc/kvm: Remove problematic BUILD_BUG_ON statement") and fixed in
commit 
c0a187e12d48 ("KVM: powerpc: Fix BUILD_BUG_ON condition"), but
not enabled. Enable it now that this no longer breaks and remove the
comment.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250411084222.6916-1-thorsten.blum@linux.dev
 static inline void kvmppc_account_exit_stat(struct kvm_vcpu *vcpu, int type)
 {
        /* type has to be known at build time for optimization */
-
-       /* The BUILD_BUG_ON below breaks in funny ways, commented out
-        * for now ... -BenH
        BUILD_BUG_ON(!__builtin_constant_p(type));
-       */
        switch (type) {
        case EXT_INTR_EXITS:
                vcpu->stat.ext_intr_exits++;