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scala now thinks every exception is polymorphic #7107

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scabug opened this issue Feb 9, 2013 · 4 comments
Closed

scala now thinks every exception is polymorphic #7107

scabug opened this issue Feb 9, 2013 · 4 comments
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@scabug
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@scabug scabug commented Feb 9, 2013

Introduced in fefe6ccc0c. This happens because you are treating "!isMonomorphicType" as if it meant "isPolymorphicType". In fact !isMonomorphicType means exactly nothing. Only positive answers carry any information.

% /scala/inst/scala-2.10.1-20130204-145353-e403e1a8dc/bin/scalac -Ylog:all -Ydebug -d /tmp /tmp/a.scala |& grep -i polymorphic
[log <no phase>] Encountered polymorphic exception `java.lang.CloneNotSupportedException` while parsing class file.
[log <no phase>] Encountered polymorphic exception `java.lang.InterruptedException` while parsing class file.
[log <no phase>] Encountered polymorphic exception `java.lang.Throwable` while parsing class file.
[log <no phase>] Encountered polymorphic exception `java.io.UnsupportedEncodingException` while parsing class file.
[log explicitouter(->erasure ->typer ->parser)] Encountered polymorphic exception `java.lang.ClassNotFoundException` while parsing class file.
[log explicitouter(->erasure ->typer ->parser)] Encountered polymorphic exception `java.lang.InstantiationException` while parsing class file.
[log explicitouter(->erasure ->typer ->parser)] Encountered polymorphic exception `java.lang.IllegalAccessException` while parsing class file.
[log explicitouter(->erasure ->typer ->parser)] Encountered polymorphic exception `java.lang.SecurityException` while parsing class file.
[log explicitouter(->erasure ->typer ->parser)] Encountered polymorphic exception `java.lang.NoSuchFieldException` while parsing class file.
[log explicitouter(->erasure ->typer ->parser)] Encountered polymorphic exception `java.lang.NoSuchMethodException` while parsing class file.
[log erasure(->posterasure ->parser)] Encountered polymorphic exception `java.lang.NumberFormatException` while parsing class file.
@scabug
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@scabug scabug commented Feb 9, 2013

@scabug
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@scabug scabug commented Feb 9, 2013

@gkossakowski said:
I'm ont it.

@scabug
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@scabug scabug commented Feb 11, 2013

@gkossakowski said:
Raised priority to Critical because it looks serious. I don't think this is a blocker because this is not worse than 2.10.0 behavior.

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@scabug scabug commented Feb 26, 2013

@scabug scabug closed this Feb 26, 2013
@scabug scabug added the critical label Apr 7, 2017
@scabug scabug added this to the 2.10.2-RC1 milestone Apr 7, 2017
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