dwarf2cfi: Insert notes correctly wrt tablejumps.

PR bootstrap/49680
        * dwarf2cfi.c (dwarf2out_frame_debug): Insert cfi notes after
        any tablejump vector.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@176065 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 10 insertions, 2 deletions

diff --git a/gcc/dwarf2cfi.c b/gcc/dwarf2cfi.c
index 44655bb51bc..8031d48682b 100644
--- a/gcc/dwarf2cfi.c
+++ b/gcc/dwarf2cfi.c
@@ -2180,8 +2180,16 @@ dwarf2out_frame_debug (rtx insn, bool after_p)
   bool handled_one = false;
   bool need_flush = false;
 
-  /* Remember where we are to insert notes.  */
-  cfi_insn = (after_p ? insn : PREV_INSN (insn));
+  /* Remember where we are to insert notes.  Do not separate tablejump
+     insns from their ADDR_DIFF_VEC.  Putting the note after the VEC
+     should be ok.  */
+  if (after_p)
+    {
+      if (!tablejump_p (insn, NULL, &cfi_insn))
+	cfi_insn = insn;
+    }
+  else
+    cfi_insn = PREV_INSN (insn);
 
   if (!NONJUMP_INSN_P (insn) || clobbers_queued_reg_save (insn))
     dwarf2out_flush_queued_reg_saves ();