PR target/20196

[pf3gnuchains/gcc-fork.git] / gcc / jump.c

diff --git a/gcc/jump.c b/gcc/jump.c
index 0378cf7..85c1f6b 100644 (file)
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -248,6 +248,10 @@ squeeze_notes (rtx* startp, rtx* endp)
              || NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_BEG
              || NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_END))
        {
+         /* BLOCK_BEG or BLOCK_END notes only exist in the `final' pass.  */
+         gcc_assert (NOTE_LINE_NUMBER (insn) != NOTE_INSN_BLOCK_BEG
+                     && NOTE_LINE_NUMBER (insn) != NOTE_INSN_BLOCK_END);
+
          if (insn == start)
            start = next;
          else