Testcase for bytecode of Groovy-Eclipse compiler

This shows a problem where the Groovy-Eclipse compiler creates a type
signature of "!+Ljava/lang/Object;", which asm cannot parse.
1 job for groovy-eclipse-bug in 1 minute and 13 seconds (queued for 3 seconds)
latest
Name Stage Failure
failed
build Test

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Deprecated Gradle features were used in this build, making it incompatible with Gradle 5.0.
See https://docs.gradle.org/4.8.1/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 1m 2s
16 actionable tasks: 16 executed
ERROR: Job failed: exit code 1