* coffread.c (coff_symfile_read): Avoid select_source_symtab,

since it is not needed and can cause errors when examining ".o"
files.

* symfile.c (compact_misc_function_vector):  Handle empty vector.

gdb/ChangeLog

@@ -1,5 +1,11 @@
 Tue Dec  3 17:24:57 1991  John Gilmore  (gnu at cygnus.com)
 
+	* coffread.c (coff_symfile_read):  Avoid select_source_symtab,
+	since it is not needed and can cause errors when examining ".o"
+	files.
+
+	* symfile.c (compact_misc_function_vector):  Handle empty vector.
+
 	* sparc-xdep.c:  Force tm-file as tm-sparc.h, to make it compile
 	when configured for cross debugging.  FIXME, this needs a more
 	general solution.

gdb/coffread.c

@@ -752,10 +752,6 @@ coff_symfile_read (sf, addr, mainline)
   /* Go over the misc symbol bunches and install them in vector.  */
 
   condense_misc_bunches (!mainline);
-
-  /* Make a default for file to list.  */
-
-  select_source_symtab (0);	/* FIXME, this might be too slow, see dbxread */
 }
 
 static void

gdb/symfile.c

@@ -347,9 +347,7 @@ sort_misc_function_vector ()
    have different levels of "completeness", we may have duplicates
    that have one entry with type "mf_unknown" and the other with a
    known type.  So if the one we are leaving alone has type mf_unknown,
-   overwrite it's type with the type from the one we are compacting out.
-*/
-
+   overwrite its type with the type from the one we are compacting out.  */
 
 static void
 compact_misc_function_vector ()
@@ -357,6 +355,9 @@ compact_misc_function_vector ()
   struct misc_function *copyfrom;
   struct misc_function *copyto;
 
+  if (misc_function_count == 0)
+    return;
+
   copyfrom = copyto = misc_function_vector;
   while (copyfrom < misc_function_vector + misc_function_count - 1)
     {