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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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Bridge building operates on unusual method signatures:
after uncurry, so parameter lists are collapsed; but before
erasure, so dependently typed parameters are still around.
Original:
def foo(a: T)(b: a.type, c: a.U): Unit
During computeBridges:
(a: T, b: a.type, c: a.U)Unit
This signature no longer appears to override the corresponding
one in a superclass, because the types of `b` and `c` are dependent
on method parameters.
The root of the problem is uncurry, which leaves the trees in
a poor state. This commit changes uncurry to remedy this.
An example illustrates it best:
// source
def foo(a: A)(b: a.type): b.type = b
// post uncurry before this patch.
// not well typed code!
def foo(a: A, b: a.type): a.type = {
// post uncurry after this patch
def foo(a: A, b: A): A = {
val b$1 = b.asInstanceOf[a.type]
b$1
}
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