Felix ter Beek created GROOVY-9938:
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Summary: VerifyError when instantiating class with @CompileStatic
that implements a method with @DelegatesTo annotation.
Key: GROOVY-9938
URL: https://issues.apache.org/jira/browse/GROOVY-9938
Project: Groovy
Issue Type: Bug
Affects Versions: 3.0.7, 2.5.6
Environment: Windows 10
Reporter: Felix ter Beek
Attachments: script.groovy
Please see the script in the attachment for a minimal code sample to reproduce
this issue.
This issue occurs both when implementing a trait, or when implementing an
interface and using @Delegate to provide the implementation of the interface.
Writing the implementation directly in the class works fine.
When I take out either @CompileStatic or @DelegatesTo the issue disappears.
stacktrace (groovy 3.0.7, using a trait (first example in script)):
ERROR java.lang.VerifyError:
Bad type on operand stack
Exception Details:
Location:
P$C.P$Ttrait$super$stuff(Lgroovy/lang/Closure;)V @8: invokevirtual
Reason:
Type 'P$C' (current frame, stack[0]) is not assignable to 'groovy/lang/Closure'
Current Frame:
bci: @8
flags: \{ }
locals: \{ 'P$C', 'groovy/lang/Closure' }
stack: \{ 'P$C' }
Bytecode:
0000000: 2ac1 003c 9900 232a b600 42c0 000d b900
0000010: 4501 0012 4604 bd00 0459 032b 53b8 004c
0000020: c000 4e57 a700 1712 042a 1246 c000 5004
0000030: bd00 0459 032b 53b8 0056 57b1
Stackmap Table:
same_frame(@39)
same_frame(@59)
at P.run (groovysh_evaluate:13)
at P$run.call (Unknown Source)
stacktrace (groovy 3.0.7, using @Delegate (second example in script)):
ERROR java.lang.VerifyError:
Bad type on operand stack
Exception Details:
Location:
P2$C.stuff(Lgroovy/lang/Closure;)V @1: invokevirtual
Reason:
Type 'P2$C' (current frame, stack[0]) is not assignable to
'groovy/lang/Closure'
Current Frame:
bci: @1
flags: \{ }
locals: \{ 'P2$C', 'groovy/lang/Closure' }
stack: \{ 'P2$C' }
Bytecode:
0000000: 2ab6 002f c000 0b2b b600 3101 57b1
at P2.run (groovysh_evaluate:19)
at P2$run.call (Unknown Source)
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