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53 lines
873 B
53 lines
873 B
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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struct S {
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int field;
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};
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void ref_set_to_zero(int& x) { x = 0; }
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void struct_ref_set_to_zero(struct S& s) { s.field = 0; }
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void call_by_ref_good() {
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int arr[10];
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int i = 99;
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ref_set_to_zero(i);
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arr[i] = 123;
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}
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void call_by_ref_bad() {
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int arr[10];
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int i = 5;
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ref_set_to_zero(i);
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arr[i - 1] = 123;
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}
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struct S init_S(int x) {
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struct S s = {x};
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return s;
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}
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int loop_with_init_S(int length) {
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int i = 0;
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while (i < length) {
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struct S s = init_S(i + 1);
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i = s.field;
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}
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return i;
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}
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void call_loop_with_init_S_Good() {
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int a[10];
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a[loop_with_init_S(5)] = 0;
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}
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void call_loop_with_init_S_Bad() {
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int a[10];
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a[loop_with_init_S(10)] = 0;
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}
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