Fix bb_insn_dump & var_list_t reallocation

Author: ChAoSUnItY

src/globals.c

@@ -1306,7 +1306,7 @@ void dump_insn()
 
             for (int k = 0; k < func->param_defs[i].is_ptr; k++)
                 printf("*");
-            printf(" %%%s", func->param_defs[i].type->type_name);
+            printf(" %%%s", func->param_defs[i].var_name);
         }
         printf(") {\n");
 

src/parser.c

@@ -41,9 +41,10 @@ var_t *require_var(block_t *blk)
     var_list_t *var_list = &blk->locals;
 
     if (var_list->size >= var_list->capacity) {
-        var_list->capacity *= 2;
+        var_list->capacity <<= 1;
 
-        var_t **new_locals = calloc(var_list->capacity, sizeof(var_t *));
+        var_t **new_locals =
+            arena_alloc(BLOCK_ARENA, var_list->capacity * sizeof(var_t *));
         memcpy(new_locals, var_list->elements,
                var_list->size * sizeof(var_t *));
         var_list->elements = new_locals;