Allow an IR object with unknown architecture

An IR object may have an unknown architecture.  But it is compatible
with other architecture.

	PR ld/23600
	* archures.c (bfd_arch_get_compatible): Allow an IR object with
	unknown architecture.

1 files changed, 4 insertions, 3 deletions

diff --git a/bfd/archures.c b/bfd/archures.c
index 300e17e..82b6741 100644
--- a/bfd/archures.c
+++ b/bfd/archures.c
@@ -896,12 +896,13 @@ bfd_arch_get_compatible (const bfd *abfd,
     /* Otherwise architecture-specific code has to decide.  */
     return abfd->arch_info->compatible (abfd->arch_info, bbfd->arch_info);
 
-  /* We can allow an unknown architecture if accept_unknowns
-     is true, or if the target is the "binary" format, which
-     has an unknown architecture.  Since the binary format can
+  /* We can allow an unknown architecture if accept_unknowns is true,
+     if UBFD is an IR object, or if the target is the "binary" format,
+     which has an unknown architecture.  Since the binary format can
      only be set by explicit request from the user, it is safe
      to assume that they know what they are doing.  */
   if (accept_unknowns
+      || ubfd->plugin_format == bfd_plugin_yes
       || strcmp (bfd_get_target (ubfd), "binary") == 0)
     return kbfd->arch_info;
   return NULL;