Search results

java.lang.NullPointerException: Cannot invoke "scala.reflect.internal.Types$Type.params()" because the return value of "scala.reflect.internal.Trees$Tree.tpe()" is null

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

should not compile

Status: Open.

#13079 In scala/bug;

· domdorn opened on Jan 18, 2025

 ·  

Backlog

2 comments

Using @unchecked on an Array returned by a matching pattern causes compiler crash when referencing the array from a method inside the method.

compiler crash

Status: Open.

#12794 In scala/bug;

· noresttherein opened on May 29, 2023

 ·  

Backlog

1 comment

compiler crash when value class reference private companion object value

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

valueclass

Status: Open.

#12768 In scala/bug;

· xuwei-k opened on Apr 6, 2023

 ·  

Backlog

StackOverflowError in the compiler if a subclass provides an abstract type projection from a higher type as a type parameter to its base class

compiler crash

Status: Open.

#12763 In scala/bug;

· noresttherein opened on Mar 30, 2023

 ·  

Backlog

4 comments

StackOverflowError in scalac (reg. NoArgsTypeRef.typeParams)

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

Status: Open.

#12741 In scala/bug;

· noresttherein opened on Feb 27, 2023

 ·  

Backlog

5 comments

StackOverflowError in typer when an existential type is passed to unapply

compiler crash

f-bounds

Status: Open.

#12602 In scala/bug;

· noresttherein opened on Jun 5, 2022

 ·  

Backlog

1 comment

StackOverflowError when defining a pseudo recursive type alias with identical lower and upper bounds

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

Status: Open.

#12599 In scala/bug;

· noresttherein opened on Jun 3, 2022

 ·  

Backlog

Stack overflow in ref-check of a method-local type alias refining a contravariant type parameter of the enclosing class

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

Status: Open.

#12596 In scala/bug;

· noresttherein opened on May 30, 2022

 ·  

Backlog

6 comments

Compiler stack-overflows or fails silently on uncaught cyclic type reference

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

typer

Status: Open.

#12518 In scala/bug;

· busti opened on Dec 31, 2021

 ·  

Backlog

1 comment

scala.reflect.internal.FatalError: unrecoverable error during erasure

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

regression

Status: Open.

#12480 In scala/bug;

· steinybot opened on Nov 3, 2021

 ·  

Backlog

2 comments

StackOverflow in the compiler, involving... well, quite a lot of different things

compiler crash

Status: Open.

#12461 In scala/bug;

· noresttherein opened on Sep 13, 2021

 ·  

Backlog

1 comment

jackson-module-scala ClassTagExtensionsTest causes compiler loop (Scala 2.13.2 and after)

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

Status: Open.

#12422 In scala/bug;

· pjfanning opened on Jun 23, 2021

 ·  

Backlog

20 comments

Non finitary class graph passes compiler check or an unwarranted infinite recursion in typer.

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

Status: Open.

#12412 In scala/bug;

· noresttherein opened on Jun 9, 2021

 ·  

Backlog

3 comments

StackOverflowError in the compiler (Types$SingleType.equals)

compiler crash

dependent types

f-bounds

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

Status: Open.

#12191 In scala/bug;

· noresttherein opened on Oct 15, 2020

 ·  

Backlog

1 comment

StackOverflowError in typer (in TypeComparers)

compiler crash

typer

Status: Open.

#12189 In scala/bug;

· noresttherein opened on Oct 14, 2020

 ·  

Backlog

8 comments

Stack overflows on a structural type definition

compiler crash

regression

Status: Open.

#12151 In scala/bug;

· marcin-chwedczuk opened on Sep 12, 2020

 ·  

Backlog

2 comments

Crash in Scala 2.13 when attempting to curry/eta expand a class constructor

backend

compiler crash

should not compile

Status: Open.

#12125 In scala/bug;

· jackkoenig opened on Aug 21, 2020

 ·  

Backlog

3 comments

2.13.2 - Compiler - StackOverflowError - illegal cyclic reference goes undetected when mixing in traits

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

Status: Open.

#11971 In scala/bug;

· kythyra opened on May 2, 2020

 ·  

Backlog

1 comment

[2.13.2-bin-ca30256] scala.reflect.internal.Types$TypeError: type mismatch

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

should compile

valueclass

Status: Open.

#11936 In scala/bug;

· japgolly opened on Apr 11, 2020

 ·  

Backlog

3 comments

StackOverflow in implicit search (getParts)

compiler crash

Status: Open.

#11775 In scala/bug;

· adriaanm opened on Oct 17, 2019

 ·  

Backlog

10 comments

"Error while emitting" compiler crash with edge-case macro usage

compiler crash

macros

Status: Open.

#11628 In scala/bug;

· shadaj opened on Jul 13, 2019

 ·  

Backlog

1 comment

Compiler crashes on self invocation with too many argument lists on class that defines apply.

backend

compiler crash

should not compile

Status: Open.

#11391 In scala/bug;

· SrTobi opened on Feb 4, 2019

 ·  

Backlog

1 comment



mkAttributedQualifier(_1.type, <none>) compiler crash

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

should not compile

Status: Open.

#11259 In scala/bug;

· soronpo opened on Nov 16, 2018

 ·  

Backlog

19 comments

Forward reference through type alias goes undetected

compiler crash

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

Status: Open.

#11177 In scala/bug;

· Jasper-M opened on Sep 28, 2018

 ·  

Backlog

1 comment

"Bad superClass for class” crash

compiler crash

Status: Open.

#11115 In scala/bug;

· Blaisorblade opened on Aug 27, 2018

 ·  

Backlog

5 comments