Merge pull request 'Release ignored error contexts' (#21) from 14 into main

Reviewed-on: #21

src/error.c

@@ -20,10 +20,10 @@
  * It is not small (an akerr_ErrorContext is tens of kilobytes), but the storage
  * is allocated per thread only when that thread first touches the library's
  * thread-local block, and the alternative is a shared buffer that two threads
- * can be writing at once.
+ * can be writing at once. The per-thread IGNORE() snapshot lives in the public
+ * template header because the macro copies into it at the call site.
  */
 static AKERR_THREAD_LOCAL akerr_ErrorContext __akerr_last_ditch;
-AKERR_THREAD_LOCAL akerr_ErrorContext *__akerr_last_ignored;
 akerr_ErrorUnhandledErrorHandler akerr_handler_unhandled_error;
 akerr_ErrorLogFunction akerr_log_method = NULL;
 
@@ -236,7 +236,6 @@ static void akerr_init_state(void)
 	AKERR_ARRAY_ERROR[i].arrayid = i;
 	AKERR_ARRAY_ERROR[i].stacktracebufptr = (char *)&AKERR_ARRAY_ERROR[i].stacktracebuf;
     }
-    __akerr_last_ignored = NULL;
     (void)akerr_last_ditch_context();
     if ( akerr_log_method == NULL ) {
 	akerr_log_method = &akerr_default_logger;