From: Gabriel Dos Reis <gdr@integrable-solutions.net>
Date: Sat, 13 Mar 2004 03:15:57 +0000 (+0000)
Subject: backport: re PR c++/14476 (ICE after error about enum not being defined when using... 
X-Git-Tag: releases/gcc-3.3.4~163
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=45ee7c40111c820741237b6525f52de68d9c0b32;p=thirdparty%2Fgcc.git

backport: re PR c++/14476 (ICE after error about enum not being defined when using it as a bit field)

	Backport:
	2004-03-11  Mark Mitchell  <mark@codesourcery.com>
	PR c++/14476
	* decl.c (xref_tag): Do not create dummy ENUMERAL_TYPEs.

From-SVN: r79431
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index cf29f936899d..99f5d2193f36 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,10 @@
+2004-03-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+	Backport:
+	2004-03-11  Mark Mitchell  <mark@codesourcery.com>
+	PR c++/14476
+	* decl.c (xref_tag): Do not create dummy ENUMERAL_TYPEs.
+
 2004-03-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 
 	Backport:
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 2862ee5fc8ac..f9a8e9957d88 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -13688,25 +13688,7 @@ xref_tag (enum tag_types tag_code, tree name, tree attributes,
       if (code == ENUMERAL_TYPE)
 	{
 	  error ("use of enum `%#D' without previous declaration", name);
-
-	  ref = make_node (ENUMERAL_TYPE);
-
-	  /* Give the type a default layout like unsigned int
-	     to avoid crashing if it does not get defined.  */
-	  TYPE_MODE (ref) = TYPE_MODE (unsigned_type_node);
-	  TYPE_ALIGN (ref) = TYPE_ALIGN (unsigned_type_node);
-	  TYPE_USER_ALIGN (ref) = 0;
-	  TREE_UNSIGNED (ref) = 1;
-	  TYPE_PRECISION (ref) = TYPE_PRECISION (unsigned_type_node);
-	  TYPE_MIN_VALUE (ref) = TYPE_MIN_VALUE (unsigned_type_node);
-	  TYPE_MAX_VALUE (ref) = TYPE_MAX_VALUE (unsigned_type_node);
-
-	  /* Enable us to recognize when a type is created in class context.
-	     To do nested classes correctly, this should probably be cleared
-	     out when we leave this classes scope.  Currently this in only
-	     done in `start_enum'.  */
-
-	  pushtag (name, ref, globalize);
+          POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, error_mark_node);
 	}
       else
 	{
diff --git a/gcc/testsuite/g++.dg/lookup/enum2.C b/gcc/testsuite/g++.dg/lookup/enum2.C
new file mode 100644
index 000000000000..054933dd9d36
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/enum2.C
@@ -0,0 +1,5 @@
+// PR c++/14476
+
+struct tree_common {
+  enum tree_code code : 8;      // { dg-error "" }
+};