Fix corrupted dwarf2 file table with -fno-eliminate-unused-debug-types.

* dwarf2out.c (lookup_filename): Call maybe_emit_file.

From-SVN: r99170

gcc/ChangeLog

+2005-05-03  James E Wilson  <wilson@specifixinc.com>
+
+	* dwarf2out.c (lookup_filename): Call maybe_emit_file.
+
 2005-05-03  DJ Delorie  <dj@redhat.com>
 
 	* c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery

gcc/dwarf2out.c

@@ -13184,6 +13184,14 @@ lookup_filename (const char *file_name)
   VARRAY_PUSH_CHAR_PTR (file_table, save_file_name);
   VARRAY_PUSH_UINT (file_table_emitted, 0);
 
+  /* If the assembler is emitting the file table, and we aren't eliminating
+     unused debug types, then we must emit .file here.  If we are eliminating
+     unused debug types, then this will be done by the maybe_emit_file call in
+     prune_unused_types_walk_attribs.  */
+
+  if (DWARF2_ASM_LINE_DEBUG_INFO && ! flag_eliminate_unused_debug_types)
+    maybe_emit_file (i);
+
   return i;
 }