fix translation taking a while if constants buffer is big

gentest.ar

@@ -0,0 +1,6 @@
+let myfile = file.write("rand_test.ar")
+
+for (i from 0 to 1e6) do
+  myfile.text("\"")
+  myfile.text(string(random()))
+  myfile.text("\"\n")

src/dynamic_array/darray.h

@@ -4,7 +4,7 @@
 #include <stdbool.h>
 #include <stddef.h> // for size_t
 
-#define CHUNK_SIZE 16
+#define CHUNK_SIZE 1048576
 
 typedef struct {
   void *data;

src/runtime/internals/dynamic_array_armem/darray_armem.h

@@ -4,7 +4,7 @@
 #include <stdbool.h>
 #include <stddef.h> // for size_t
 
-#define CHUNK_SIZE 16
+#define CHUNK_SIZE 1048576
 
 typedef struct {
   void *data;

src/translator/translator.c

@@ -45,7 +45,7 @@ void *arena_get(ConstantArena *arena, size_t offset) {
 }
 
 size_t arena_push(ConstantArena *arena, const void *data, size_t length) {
-  if (arena->size >= length) {
+  if (arena->size >= length && arena->size<100000) {
     for (size_t i = 0; i <= (arena->size - length); i++) {
       if (memcmp(data, arena->data + i, length) == 0) {
         return i;