Index: src/packfile/pf_items.c
===================================================================
--- src/packfile/pf_items.c	(revision 48308)
+++ src/packfile/pf_items.c	(working copy)
@@ -957,6 +957,9 @@
 PARROT_WARN_UNUSED_RESULT
 PARROT_CANNOT_RETURN_NULL
 opcode_t
+#ifdef __GNUC__ /* See TT #1777 */
+__attribute__ ((__noinline__))
+#endif
 PF_fetch_opcode(ARGIN_NULLOK(const PackFile *pf), ARGMOD(const opcode_t **stream))
 {
     ASSERT_ARGS(PF_fetch_opcode)