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Added a deprecation warning for `-optimize`.
Later we'll also graduate `-Yopt` to `-opt`, probably for 2.12.0-M5.
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Move run/t8960 to pending
It tests the serialVersionUID field on closure classes. The field
doesn't exist for indyLambda closures.
See https://issues.scala-lang.org/browse/SI-9373
Move some reify tests to pending
They fail at runtime in GenBCode since scala is built with indyLambda
enabled:
java.lang.AssertionError: assertion failed: Bad superClass for trait JFunction1: class Any
at scala.tools.nsc.Global.assert(Global.scala:261)
at scala.tools.nsc.backend.jvm.BTypesFromSymbols.setClassInfo(BTypesFromSymbols.scala:228)
Noted in https://issues.scala-lang.org/browse/SI-9374
force t6546 to GenASM - no closure elimination in GenBCode yet
Noted in https://issues.scala-lang.org/browse/SI-9364.
Fix or disable some tests that fail because of the old optimizer
The old inliner fails more often when the library is built with
indylambda.
Noted in https://issues.scala-lang.org/browse/SI-9374.
Example: List.foreach
➜ sandbox git:(jfun) ✗ qs -Ybackend:GenASM -optimize -Yinline-warnings
Welcome to Scala version 2.12.0-20150630-220939-1cb032d806 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_45).
Type in expressions to have them evaluated.
Type :help for more information.
scala> List(1,2,3).foreach(x => x + 1)
<console>:11: warning: Could not inline required method foreach because bytecode unavailable.
List(1,2,3).foreach(x => x + 1)
^
<console>:11: warning: At the end of the day, could not inline @inline-marked method foreach
List(1,2,3).foreach(x => x + 1)
^
Upate a number of tests for having indyLambda enabled
The delambdafyLambdaClassNames tests was removed, there's nothing to
tests with indyLambda.
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The Delambdafy phase generates its `FunctionN` subclasses after
the specialization phase. As such, `((x: Int) => x).apply(42)` incurs
boxing.
This commit falls back to the `-Ydelambdafy:inline` in this case.
This is done by running the specialization type map over the
type of the function, and seeing if anything changes. To make this
work robustly, we first need to ensure that the specialization info
transformer has processed all the function types.
This is not a fundamental limitation; we could in principle generate
the specialized code.
A followup change will use `-Ydelambdafy:method` as the basis for
invokedymnamic lambdas. As part of that stream of
work, we will synthesize specialization-aware lambdas, and remove
the fallback to `-Ydelambdafy:inline`.
I have updated some tests that intend to test the delambdafy transform
to avoid use of specialized function types.
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`pos` test is subsumed by `run`.
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When using delambdafy:method, closure classes are generated late.
The class is added to a map and integrated into the PackageDef in
transformStats.
When declaring a package object, there are potentially multiple
PackageDefs for the same package. In this case, the closure class
was added to all of them. As a result, GenASM / GenBCode would run
multiple times on the closure class. In GenBCode this would trigger
a warning about conflicting filenames.
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