Github user jwagenleitner commented on a diff in the pull request:
https://github.com/apache/groovy/pull/253#discussion_r52127643
--- Diff: src/test/groovy/transform/stc/GenericsSTCTest.groovy ---
@@ -1800,6 +1800,19 @@ assert result == 'ok'
'''
}
+ // GROOVY-7742
+ void testMethodParamWithDifferentPlaceholderForTypeArgument() {
+ // We use <T> here while List uses <E>
--- End diff --
Looks like when it resolves the placeholders it adds T based on DGM `static
<T> T first(List<T> self)` since it uses `T` as placeholder. The real code
that produced this error used `collect` which also uses `T`. Changing the code
to use `return classes.get(0)` fixes it.
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