[PATCH] Use gdb_bfd_openr in corelow.c

[Tom Tromey <tromey@adacore.com>]

corelow.c has a couple of calls to bfd_openr, each followed by a call
to new_reference.  It's cleaner to use the provided gdb_bfd_openr
wrapper.
---
 gdb/corelow.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/gdb/corelow.c b/gdb/corelow.c
index a28a707c293..84f44bc680e 100644
--- a/gdb/corelow.c
+++ b/gdb/corelow.c
@@ -451,10 +451,7 @@ core_target::build_file_mappings ()
 
       gdb_bfd_ref_ptr abfd;
       if (expanded_fname != nullptr && !build_id_mismatch)
-	{
-	  struct bfd *b = bfd_openr (expanded_fname.get (), "binary");
-	  abfd = gdb_bfd_ref_ptr::new_reference (b);
-	}
+	abfd = gdb_bfd_openr (expanded_fname.get (), "binary");
 
       if ((expanded_fname == nullptr
 	   || abfd == nullptr
@@ -474,9 +471,8 @@ core_target::build_file_mappings ()
 		 type.  */
 	      expanded_fname
 		= make_unique_xstrdup (bfd_get_filename (abfd.get ()));
-	      struct bfd *b = bfd_openr (expanded_fname.get (), "binary");
-	      gdb_assert (b != nullptr);
-	      abfd = gdb_bfd_ref_ptr::new_reference (b);
+	      abfd = gdb_bfd_openr (expanded_fname.get (), "binary");
+	      gdb_assert (abfd != nullptr);
 	    }
 	}
 

base-commit: c995b827636ecaad5454cc89bd7fc226c6a4fd33
-- 
2.53.0