--- ./grammar.yp.orig	Tue Nov 15 14:09:30 2005
+++ ./grammar.yp	Tue Nov 15 14:09:51 2005
@@ -251,6 +251,7 @@
 		### if a previous condition was true
 		return undef
 			if ($config->{'in_expr'}
+			    && @{$config->{'cond_stack'}}
 			    && $config->{'cond_stack'}->[-1] == CS_NO_EVAL);
 
 		### for statements, don't evaluate if we're inside a