Open
Description
Reproduction steps
Scala version: 2.13.12
➜ scala git:(issue/12851-namepos) cat test/files/neg/t12851b/T_1.scala
trait T1 {
def f: Int
def g(): Int
}
trait T2 {
def f() = 42
def g = 42
}
➜ scala git:(issue/12851-namepos) cat test/files/neg/t12851b/C_2.scala
// scalac: -Werror
class C extends T1 with T2
Problem
➜ scala git:(issue/12851-namepos) scalac -d /tmp -cp /tmp test/files/neg/t12851b/C_2.scala
warning: method with a single empty parameter list overrides method without any parameter list
1 warning
➜ scala git:(issue/12851-namepos) scalac -d /tmp test/files/neg/t12851b/*.scala
test/files/neg/t12851b/T_1.scala:8: warning: method with a single empty parameter list overrides method without any parameter list
def f() = 42
^
1 warning
should offer both warnings, whether compiled together or separately:
➜ scala git:(issue/12851-namepos) skalac -d /tmp -cp /tmp test/files/neg/t12851b/C_2.scala
test/files/neg/t12851b/C_2.scala:2: warning: method (method f in trait T2) with a single empty parameter list overrides method without any parameter list
class C extends T1 with T2
^
test/files/neg/t12851b/C_2.scala:2: warning: method (method g in trait T2) without a parameter list overrides a method with a single empty one
class C extends T1 with T2
^
2 warnings
➜ scala git:(issue/12851-namepos) skalac -d /tmp test/files/neg/t12851b/*.scala
test/files/neg/t12851b/C_2.scala:2: warning: method (method f in trait T2) with a single empty parameter list overrides method without any parameter list
class C extends T1 with T2
^
test/files/neg/t12851b/C_2.scala:2: warning: method (method g in trait T2) without a parameter list overrides a method with a single empty one
class C extends T1 with T2
^
2 warnings
Noticed at #12851