ignore some cast-align diagnostics

Author: jepler

py/objgenerator.c

@@ -130,7 +130,10 @@ STATIC mp_obj_t native_gen_wrap_call(mp_obj_t self_in, size_t n_args, size_t n_k
     mp_obj_fun_bc_t *self_fun = MP_OBJ_TO_PTR(self_in);
 
     // Determine start of prelude.
+    #pragma GCC diagnostic push
+    #pragma GCC diagnostic ignored "-Wcast-align"
     uintptr_t prelude_ptr_index = ((uintptr_t *)self_fun->bytecode)[0];
+    #pragma GCC diagnostic pop
     const uint8_t *prelude_ptr;
     if (prelude_ptr_index == 0) {
         prelude_ptr = (void *)self_fun->child_table;

py/persistentcode.c

@@ -87,10 +87,16 @@ void mp_native_relocate(void *ri_in, uint8_t *text, uintptr_t reloc_text) {
             size_t addr = read_uint(ri->reader);
             if ((addr & 1) == 0) {
                 // Point to somewhere in text
+                #pragma GCC diagnostic push
+                #pragma GCC diagnostic ignored "-Wcast-align"
                 addr_to_adjust = &((uintptr_t *)text)[addr >> 1];
+                #pragma GCC diagnostic pop
             } else {
                 // Point to somewhere in rodata
+                #pragma GCC diagnostic push
+                #pragma GCC diagnostic ignored "-Wcast-align"
                 addr_to_adjust = &((uintptr_t *)ri->rodata)[addr >> 1];
+                #pragma GCC diagnostic pop
             }
         }
         op >>= 1;