tcc_relocate: revert to 0.9.24 behavior

tests/libtcc_test.c

@@ -36,8 +36,6 @@ int main(int argc, char **argv)
 {
     TCCState *s;
     int (*func)(int);
-    void *mem;
-    int size;
 
     s = tcc_new();
     if (!s) {
@@ -59,26 +57,20 @@ int main(int argc, char **argv)
        You may also open a dll with tcc_add_dll() and use symbols from that */
     tcc_add_symbol(s, "add", add);
 
-    /* get needed size of the code */
-    size = tcc_relocate(s, NULL);
-    if (size == -1)
+    /* relocate the code */
+    if (tcc_relocate(s) < 0)
         return 1;
 
-    /* allocate memory and copy the code into it */
-    mem = malloc(size);
-    tcc_relocate(s, mem);
-
     /* get entry symbol */
     func = tcc_get_symbol(s, "foo");
     if (!func)
         return 1;
 
-    /* delete the state */
-    tcc_delete(s);
-
     /* run the code */
     func(32);
 
-    free(mem);
+    /* delete the state */
+    tcc_delete(s);
+
     return 0;
 }