From: Mark Wielaard <mjw@redhat.com>
Date: Mon, 21 Feb 2011 15:58:26 +0000 (+0100)
Subject: Workaround weird (buggy) self referential DW_AT_containing_type case.
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2664290538c387bca3b8f05d3e3f8a8894aa5958;p=thirdparty%2Felfutils.git

Workaround weird (buggy) self referential DW_AT_containing_type case.

https://fedorahosted.org/pipermail/elfutils-devel/2011-February/001792.html
---

diff --git a/libdw/c++/dwarf_output b/libdw/c++/dwarf_output
index 1f756f69d..aeb192c4d 100644
--- a/libdw/c++/dwarf_output
+++ b/libdw/c++/dwarf_output
@@ -1401,7 +1401,15 @@ namespace elfutils
 	    const entry *ref
 	      = dynamic_cast<const entry *> (it->second._m_value);
 	    if (ref != NULL)
-	      attr_rhashes ^= ref->get_reference_hash (stack);
+	      {
+		// Workaround weird case (bug?)
+		// https://fedorahosted.org/pipermail/elfutils-devel/2011-February/001792.html
+		if (it->first == DW_AT_containing_type
+		    && ref->_m_pending == this)
+		  continue;
+		else
+		  attr_rhashes ^= ref->get_reference_hash (stack);
+	      }
           }
 	subr::hash_combine (rhash, attr_rhashes);