diff --git a/gcc/cfgcleanup.c b/gcc/cfgcleanup.c
index f05cb6136c7..64279cc8c20 100644
--- a/gcc/cfgcleanup.c
+++ b/gcc/cfgcleanup.c
@@ -2148,6 +2148,20 @@ try_crossjump_to_edge (int mode, edge e1, edge e2,
   while (DEBUG_INSN_P (newpos1))
     newpos1 = NEXT_INSN (newpos1);
 
+  /* And end of prologue marker.  */
+  if (NOTE_P (newpos1) && NOTE_KIND (newpos1) == NOTE_INSN_PROLOGUE_END)
+    newpos1 = NEXT_INSN (newpos1);
+
+  while (DEBUG_INSN_P (newpos1))
+    newpos1 = NEXT_INSN (newpos1);
+
+  /* And also beginning of function marker.  */
+  if (NOTE_P (newpos1) && NOTE_KIND (newpos1) == NOTE_INSN_FUNCTION_BEG)
+    newpos1 = NEXT_INSN (newpos1);
+
+  while (DEBUG_INSN_P (newpos1))
+    newpos1 = NEXT_INSN (newpos1);
+
   redirect_from = split_block (src1, PREV_INSN (newpos1))->src;
   to_remove = single_succ (redirect_from);