diff --git a/gcc/cfgcleanup.c b/gcc/cfgcleanup.c
index f05cb6136c7..17edc4f37ad 100644
--- a/gcc/cfgcleanup.c
+++ b/gcc/cfgcleanup.c
@@ -2145,7 +2145,11 @@ try_crossjump_to_edge (int mode, edge e1, edge e2,
   if (NOTE_INSN_BASIC_BLOCK_P (newpos1))
     newpos1 = NEXT_INSN (newpos1);
 
-  while (DEBUG_INSN_P (newpos1))
+  /* Skip also prologue and function markers.  */
+  while (DEBUG_INSN_P (newpos1)
+	 || (NOTE_P (newpos1)
+	     && (NOTE_KIND (newpos1) == NOTE_INSN_PROLOGUE_END
+		 || NOTE_KIND (newpos1) == NOTE_INSN_FUNCTION_BEG)))
     newpos1 = NEXT_INSN (newpos1);
 
   redirect_from = split_block (src1, PREV_INSN (newpos1))->src;