From 138978baa630f557b292f3b9bbb6a7e7828baf9c Mon Sep 17 00:00:00 2001
From: cc <52520497+juncaipeng@users.noreply.github.com>
Date: Thu, 14 May 2020 19:44:52 +0800
Subject: [PATCH] Fix bug in slice op when infer_flags is empyt, test=develop
 (#3625)

---
 lite/operators/slice_op.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lite/operators/slice_op.cc b/lite/operators/slice_op.cc
index c18fc98941..9757015848 100644
--- a/lite/operators/slice_op.cc
+++ b/lite/operators/slice_op.cc
@@ -43,7 +43,7 @@ bool SliceOp::InferShapeImpl() const {
     CHECK_LT(param_.axes[i], in_dims.size()) << "The index of dimension in "
                                                 "axes must be less than the "
                                                 "size of input shape.";
-    if (param_.infer_flags[i] == -1) {
+    if (param_.infer_flags.size() > i && param_.infer_flags[i] == -1) {
       out_dims[axes[i]] = -1;
     } else {
       // infer out_dim shape
-- 
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