diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 25772ba5420..6d5a99a363a 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,8 @@
 Thu Mar 24 07:12:09 1994  Jim Kingdon  (kingdon@lioth.cygnus.com)
 
+	* stabsread.c (patch_block_stabs): Don't create LOC_OPTIMIZED_OUT
+	symbols.  Reverts change of 2 Apr 1993.
+
 	* dbxread.c (end_psymtab): Add comment about empty psymtabs.
 
 Wed Mar 23 07:50:33 1994  Jim Kingdon  (kingdon@lioth.cygnus.com)
@@ -11,6 +14,7 @@ Wed Mar 23 07:50:33 1994  Jim Kingdon  (kingdon@lioth.cygnus.com)
 	(show_commands): Don't declare history_base; it is declared in
 	history.h.
 	* command.c (lookup_cmd): Don't delete trailing whitespace.
+	Reverts change of 14 May 1989.
 
 Wed Mar 23 16:14:52 1994  Stu Grossman  (grossman at cygnus.com)
 
diff --git a/gdb/stabsread.c b/gdb/stabsread.c
index e680f6ff1b0..6466e37b232 100644
--- a/gdb/stabsread.c
+++ b/gdb/stabsread.c
@@ -399,6 +399,14 @@ patch_block_stabs (symbols, stabs, objfile)
 	  sym = find_symbol_in_list (symbols, name, pp-name);
 	  if (!sym)
 	    {
+#if 0
+	      /* The following code is disabled because AIX's xlc also
+		 puts out a stab but no C_EXT in the case where a
+		 symbol is referenced but not defined (in that
+		 compilation unit).  So we just don't create a symbol,
+		 and the user will get the symbol from the compilation
+		 unit in which the symbol is actually defined.  */
+
 	      /* On xcoff, if a global is defined and never referenced,
 		 ld will remove it from the executable.  There is then
 		 a N_GSYM stab for it, but no regular (C_EXT) symbol.  */
@@ -425,6 +433,7 @@ patch_block_stabs (symbols, stabs, objfile)
 		  SYMBOL_TYPE (sym) = read_type (&pp, objfile);
 		}
 	      add_symbol_to_list (sym, &global_symbols);
+#endif /* 0 */
 	    }
 	  else
 	    {