Re-add missing debug info for weak aliases.

	* varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
	(assemble_alias): Call make_decl_rtl.

From-SVN: r40791

gcc/ChangeLog

+2001-03-23  Jim Wilson  <wilson@redhat.com>
+
+	* varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
+	(assemble_alias): Call make_decl_rtl.
+	
 Fri Mar 23 16:59:08 2001  J"orn Rennecke <amylaar@redhat.com>
 
 	* stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.

gcc/varasm.c

@@ -580,10 +580,12 @@ make_decl_rtl (decl, asmspec)
   int reg_number;
 
   /* Check that we are not being given an automatic variable.  */
+  /* A weak alias has TREE_PUBLIC set but not the other bits.  */
   if (TREE_CODE (decl) == PARM_DECL
       || TREE_CODE (decl) == RESULT_DECL
       || (TREE_CODE (decl) == VAR_DECL
 	  && !TREE_STATIC (decl)
+	  && !TREE_PUBLIC (decl)
 	  && !DECL_EXTERNAL (decl)
 	  && !DECL_REGISTER (decl)))
     abort ();
@@ -4796,6 +4798,10 @@ assemble_alias (decl, target)
 {
   const char *name;
 
+  /* We must force creation of DECL_RTL for debug info generation, even though
+     we don't use it here.  */
+  make_decl_rtl (decl, NULL_PTR);
+
   name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
 
 #ifdef ASM_OUTPUT_DEF