This disables a workaround only intended for aarch64 if the target
architecture is powerpc.
Issue: #3365
#define testchar(st,c) (((int)(st)[((c) >> 3)] & (1 << ((c) & 7))))
/* Special workaround for luajit */
-#if defined(WITH_LUAJIT) && !(defined(_X86_) || defined(__x86_64__) || defined(__i386__))
+#if defined(WITH_LUAJIT) && !(defined(_X86_) || defined(__x86_64__) || defined(__i386__) || defined(__powerpc__))
# define LPEG_LUD_WORKAROUND 1
void * lpeg_allocate_mem_low(size_t sz);
void lpeg_free_mem_low(void *p);