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-rw-r--r--test/files/neg/t8736-c.check11
-rw-r--r--test/files/neg/t8736-c.flags1
-rw-r--r--test/files/neg/t8736-c.scala7
-rw-r--r--test/files/pos/t8736-b.flags1
-rw-r--r--test/files/pos/t8736-b.scala7
-rw-r--r--test/files/pos/t8736.flags1
-rw-r--r--test/files/pos/t8736.scala7
7 files changed, 35 insertions, 0 deletions
diff --git a/test/files/neg/t8736-c.check b/test/files/neg/t8736-c.check
new file mode 100644
index 0000000000..06b2228543
--- /dev/null
+++ b/test/files/neg/t8736-c.check
@@ -0,0 +1,11 @@
+t8736-c.scala:4: warning: higher-kinded type should be enabled
+by making the implicit value scala.language.higherKinds visible.
+This can be achieved by adding the import clause 'import scala.language.higherKinds'
+or by setting the compiler option -language:higherKinds.
+See the Scala docs for value scala.language.higherKinds for a discussion
+why the feature should be explicitly enabled.
+ def hk[M[_]] = ???
+ ^
+error: No warnings can be incurred under -Xfatal-warnings.
+one warning found
+one error found
diff --git a/test/files/neg/t8736-c.flags b/test/files/neg/t8736-c.flags
new file mode 100644
index 0000000000..fde5313c96
--- /dev/null
+++ b/test/files/neg/t8736-c.flags
@@ -0,0 +1 @@
+-feature -language:-higherKinds,_ -Xfatal-warnings
diff --git a/test/files/neg/t8736-c.scala b/test/files/neg/t8736-c.scala
new file mode 100644
index 0000000000..8432775ae1
--- /dev/null
+++ b/test/files/neg/t8736-c.scala
@@ -0,0 +1,7 @@
+// scalac: -feature -language:-higherKinds,_ -Xfatal-warnings
+// showing that wildcard doesn't supersede explicit disablement
+class X {
+ def hk[M[_]] = ???
+
+ implicit def imp(x: X): Int = x.hashCode
+}
diff --git a/test/files/pos/t8736-b.flags b/test/files/pos/t8736-b.flags
new file mode 100644
index 0000000000..1ad4eabe0f
--- /dev/null
+++ b/test/files/pos/t8736-b.flags
@@ -0,0 +1 @@
+-feature -language:_ -Xfatal-warnings
diff --git a/test/files/pos/t8736-b.scala b/test/files/pos/t8736-b.scala
new file mode 100644
index 0000000000..903292d232
--- /dev/null
+++ b/test/files/pos/t8736-b.scala
@@ -0,0 +1,7 @@
+// scalac: -feature -language:_ -Xfatal-warnings
+// showing that all are set
+class X {
+ def hk[M[_]] = ???
+
+ implicit def imp(x: X): Int = x.hashCode
+}
diff --git a/test/files/pos/t8736.flags b/test/files/pos/t8736.flags
new file mode 100644
index 0000000000..7fe42f7340
--- /dev/null
+++ b/test/files/pos/t8736.flags
@@ -0,0 +1 @@
+-feature -language:implicitConversions -language:higherKinds -language:-implicitConversions -Xfatal-warnings
diff --git a/test/files/pos/t8736.scala b/test/files/pos/t8736.scala
new file mode 100644
index 0000000000..46c0cdfd00
--- /dev/null
+++ b/test/files/pos/t8736.scala
@@ -0,0 +1,7 @@
+// scalac: -feature -language:implicitConversions -language:higherKinds -language:-implicitConversions -Xfatal-warnings
+// showing that multiple settings are respected, and explicit enablement has precedence
+class X {
+ def hk[M[_]] = ???
+
+ implicit def imp(x: X): Int = x.hashCode
+}