Make warning about require/autoload while bootstrapping not error out

* src/fns.c (Frequire):
* src/eval.c (Fautoload_do_load): Avoid further errors while
outputting the error about not being able to autoload/require
while bootstrapping.

1 files changed, 7 insertions, 2 deletions

diff --git a/src/eval.c b/src/eval.c
index 346dff8bdcc..141d2546f08 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -2273,8 +2273,13 @@ it defines a macro.  */)
   /* This is to make sure that loadup.el gives a clear picture
      of what files are preloaded and when.  */
   if (will_dump_p () && !will_bootstrap_p ())
-    error ("Attempt to autoload %s while preparing to dump",
-           SDATA (SYMBOL_NAME (funname)));
+    {
+      /* Avoid landing here recursively while outputting the
+         backtrace from the error.  */
+      gflags.will_dump_ = false;
+      error ("Attempt to autoload %s while preparing to dump",
+             SDATA (SYMBOL_NAME (funname)));
+    }
 
   CHECK_SYMBOL (funname);