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These manual mixins were forwarding to the impl classes have
just been removed. We can now rely on default methods instead.
Update Tests:
- Fix test/files/pos/t1237.scala, we can't have an outer field
in an interface, always use the outer method.
- Don't crash on meaningless trait early init fields
test/files/neg/t2796.scala
- Remove impl class relate parts of inner class test
- Remove impl class relate parts of elidable test
- Remove impl class related reflection test.
- Remove test solely about trait impl classes renaming
- Update check file with additional stub symbol error
- Disable unstable parts of serialization test.
- TODO explain, and reset the expectation
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- private-inline, t8601-closure-elim, inline-in-constructors
- test closure inlining / elimination, which is not yet implemented
in GenBCode. noted in https://github.com/scala-opt/scala/issues/14.
- constant-optimization, t7006
- no constant folding in GenBCode yet.
noted in https://github.com/scala-opt/scala/issues/29.
- patmat_opt_ignore_underscore, patmat_opt_no_nullcheck, patmat_opt_primitive_typetest
- not all optimizations in GenBCode yet.
noted in https://github.com/scala-opt/scala/issues/30.
- t3234
- tests a warning of trait inlining - trait inlining works in
GenBCode
- synchronized
- ignore inliner warnings (they changed a bit)
- t6102
- account for the changed outputo of -Ydebug has under GenBCode
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Issue precise warnings when the inliner fails to inline or analyze a
callsite. Inline failures may have various causes, for example because
some class cannot be found on the classpath when building the call
graph. So we need to store problems that happen early in the optimizer
(when building the necessary data structures, call graph, ClassBTypes)
to be able to report them later in case the inliner accesses the
related data.
We use Either to store these warning messages. The commit introduces
an implicit class `RightBiasedEither` to make Either easier to use for
error propagation. This would be subsumed by a biased either in the
standard library (or could use a Validation).
The `info` of each ClassBType is now an Either. There are two cases
where the info is not available:
- The type info should be parsed from a classfile, but the class
cannot be found on the classpath
- SI-9111, the type of a Java source originating class symbol cannot
be completed
This means that the operations on ClassBType that query the info now
return an Either, too.
Each Callsite in the call graph now stores the source position of the
call instruction. Since the call graph is built after code generation,
we build a map from invocation nodes to positions during code gen and
query it when building the call graph.
The new inliner can report a large number of precise warnings when a
callsite cannot be inlined, or if the inlining metadata cannot be
computed precisely, for example due to a missing classfile.
The new -Yopt-warnings multi-choice option allows configuring inliner
warnings.
By default (no option provided), a one-line summary is issued in case
there were callsites annotated @inline that could not be inlined.
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Some scalac output is on stderr, and it's useful to see that
in the log file, especially for debugging.
Adds a line filter for logs, specified as "filter: pattern"
in the test source.
Backslashes are made forward only when detected as paths.
Test alignments:
Deprecations which do not pertain to the system under test
are corrected in the obvious way.
When testing deprecated API, suppress warnings by deprecating
the Test object.
Check files are updated with useful true warnings, instead of
running under -nowarn.
Language feature imports as required, instead of running under -language.
Language feature not required, such as casual use of postfix.
Heed useful warning.
Ignore broken warnings. (Rarely, -nowarn.)
Inliner warnings pop up under -optimise only, so for now, just
filter them out where they occur.
Debug output from the test required an update.
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