diff -urN kBuild-0.1.9998-pre20110817-orig/src/sed/lib/regex_internal.c kBuild-0.1.9998-pre20110817/src/sed/lib/regex_internal.c
--- kBuild-0.1.9998-pre20110817-orig/src/sed/lib/regex_internal.c	2011-08-17 14:28:42.000000000 -0700
+++ kBuild-0.1.9998-pre20110817/src/sed/lib/regex_internal.c	2012-06-16 13:55:05.341176965 -0700
@@ -781,7 +781,7 @@
 }
 
 static unsigned char
-internal_function __attribute ((pure))
+internal_function
 re_string_fetch_byte_case (re_string_t *pstr)
 {
   if (BE (!pstr->mbs_allocated, 1))
