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Eric Milles updated GROOVY-9342: -------------------------------- Comment: was deleted (was: "Cannot find matching method int#plus(java.lang.Object)..." is still an issue because {{StaticTypeCheckingVisitor#inferSAMType}} cannot collect generics correctly from {{forEach(Consumer<? super T> c)}} and so the param type is Object. PR #1126 fixes the assignment case, which is handled by separate methods: {code:groovy} int sum = 0 java.util.function.Consumer<? super Integer> add = i -> sum += i {code} ) > SC: Lambda in static initializer that uses static field on LHS of += produces > errors > ------------------------------------------------------------------------------------ > > Key: GROOVY-9342 > URL: https://issues.apache.org/jira/browse/GROOVY-9342 > Project: Groovy > Issue Type: Bug > Affects Versions: 3.0.0-rc-2 > Reporter: Eric Milles > Assignee: Eric Milles > Priority: Major > Fix For: 3.0.0-rc-3 > > Time Spent: 10m > Remaining Estimate: 0h > > Follow up to GROOVY-9332 and GROOVY-9333. Consider the following: > {code:groovy} > @groovy.transform.CompileStatic > class Test1 { > static int acc = 1 > static { [1, 2, 3].forEach((Integer i) -> acc += i) } > } > assert Test1.acc == 7 > {code} > {code} > java.lang.ExceptionInInitializerError\r\n > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n > at java.lang.reflect.Method.invoke(Method.java:498)\r\n > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)