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36 lines
631 B
36 lines
631 B
6 years ago
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/*
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* Copyright (c) 2019-present, Facebook, Inc.
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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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typedef struct {
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int i;
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} Foo;
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static int variable_init_ok(const int* x) {
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const Foo* foo = (const Foo*)x;
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return foo->i;
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}
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Foo* variable_init_bad(const int* x) {
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Foo* foo = (const Foo*)x; // aliasing to x
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foo->i = 0;
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return foo;
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}
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void set_fresh_ok() {
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Foo* foo = {0};
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foo->i = 0;
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}
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void set_fresh_primitive_ok(int x) {
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Foo* foo = {x};
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foo->i = 0;
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}
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void set_alias_primitive_bad(int* x) {
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Foo* foo = {x};
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foo->i = 0;
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}
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