* cfgrtl.c (delete_insn): Check for not NOTE_INSN_DELETED_LABEL
before decrementing LABEL_NUSES from a jump table.
From-SVN: r48431
int i;
for (i = 0; i < len; i++)
- LABEL_NUSES (XEXP (XVECEXP (pat, diff_vec_p, i), 0))--;
+ {
+ rtx label = XEXP (XVECEXP (pat, diff_vec_p, i), 0);
+
+ /* When deleting code in bulk (e.g. removing many unreachable
+ blocks) we can delete a label that's a target of the vector
+ before deleting the vector itself. */
+ if (GET_CODE (label) != NOTE)
+ LABEL_NUSES (label)--;
+ }
}
return next;