Frog: compiler crash with no diagnostic

[rakudrama]

@ r1884

$ frogsh --out=t.js bug1r.dart

node.js:134
        throw e; // process.nextTick error, or 'error' event on first tick
        ^
TypeError: Cannot call method 'get$name' of undefined
    at VarMethodSet.get$baseName (/usr/local/google/home/sra/dart-all/dart/frog/frogsh:23512:48)
    at VarMethodSet._invokeMembers (/usr/local/google/home/sra/dart-all/dart/frog/frogsh:23541:58)
    at VarMethodSet.invoke (/usr/local/google/home/sra/dart-all/dart/frog/frogsh:23515:8)
    at VarMethodSet.invoke$4 (/usr/local/google/home/sra/dart-all/dart/frog/frogsh:23572:15)
    at MemberSet.invokeOnVar (/usr/local/google/home/sra/dart-all/dart/frog/frogsh:16546:24)
    at MemberSet.invoke (/usr/local/google/home/sra/dart-all/dart/frog/frogsh:16509:17)
    at MemberSet.invoke$5 (/usr/local/google/home/sra/dart-all/dart/frog/frogsh:16613:15)
    at Value.invoke (/usr/local/google/home/sra/dart-all/dart/frog/frogsh:22427:26)
    at Value.invoke$4 (/usr/local/google/home/sra/dart-all/dart/frog/frogsh:22696:15)
    at MethodGenerator.visitCallExpression (/usr/local/google/home/sra/dart-all/dart/frog/frogsh:13920:17)

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Attachment:
bug1r.dart (136 Bytes)

[dgrove]

Set owner to @rakudrama.
Added this to the FrogEditor milestone.

[rakudrama]

Fixed r1965

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Added Fixed label.