Avoid clobbering in-scope things of the same name when inventing a name in PatternMatchingInstanceof. This doesn't fix the bug of introducing two fixes with the same name at once, but it does avoid insidious shadowing cases. Relates to, but does not fix, external issue #4922. PiperOrigin-RevId: 873021600
Error Prone is a static analysis tool for Java that catches common programming mistakes at compile-time.
public class ShortSet { public static void main (String[] args) { Set<Short> s = new HashSet<>(); for (short i = 0; i < 100; i++) { s.add(i); s.remove(i - 1); } System.out.println(s.size()); } }
error: [CollectionIncompatibleType] Argument 'i - 1' should not be passed to this method;
its type int is not compatible with its collection's type argument Short
s.remove(i - 1);
^
(see https://errorprone.info/bugpattern/CollectionIncompatibleType)
1 error
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