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False positive with instanceof pattern #420

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pdolezal opened this issue Aug 6, 2021 · 0 comments
Open

False positive with instanceof pattern #420

pdolezal opened this issue Aug 6, 2021 · 0 comments
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@pdolezal
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pdolezal commented Aug 6, 2021

The instanceof pattern introduced in Java 16 emits code with possibly unnecessary stores. With a code snippets like

if (object instanceof Foo foo) {
    return foo.bar();
}

then the analyzer produces USBR_UNNECESSARY_STORE_BEFORE_RETURN.
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@mebigfatguy @pdolezal