------- Comment #7 from paolo dot carlini at oracle dot com 2010-06-28 15:20
-------
I'm now pretty sure that the issue with locale::locale() is all there is to
this PR. I also checked that the below patchlet avoids the ICE both for the
original testcase and my snippet (it also passes the testsuite, but I'm not
sure whether we could catch the problem earlier):
Index: pt.c
===================================================================
--- pt.c (revision 161491)
+++ pt.c (working copy)
@@ -10695,6 +10695,8 @@ tsubst_baselink (tree baselink, tree object_type,
if (IDENTIFIER_TYPENAME_P (name))
name = mangle_conv_op_name_for_type (optype);
baselink = lookup_fnfields (qualifying_scope, name, /*protect=*/1);
+ if (!baselink)
+ return error_mark_node;
/* If lookup found a single function, mark it as used at this
point. (If it lookup found multiple functions the one selected
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44039
