summaryrefslogtreecommitdiff
path: root/test
diff options
context:
space:
mode:
Diffstat (limited to 'test')
-rw-r--r--test/files/neg/t6902.check10
-rw-r--r--test/files/neg/t6902.flags1
-rw-r--r--test/files/neg/t6902.scala23
-rw-r--r--test/files/run/t6011c.scala13
4 files changed, 47 insertions, 0 deletions
diff --git a/test/files/neg/t6902.check b/test/files/neg/t6902.check
new file mode 100644
index 0000000000..8ad7fd37f9
--- /dev/null
+++ b/test/files/neg/t6902.check
@@ -0,0 +1,10 @@
+t6902.scala:4: error: unreachable code
+ case Some(b) => 3 // no warning was emitted
+ ^
+t6902.scala:9: error: unreachable code
+ case Some(b) => 3 // no warning was emitted
+ ^
+t6902.scala:21: error: unreachable code
+ case 1 => 3 // crash
+ ^
+three errors found
diff --git a/test/files/neg/t6902.flags b/test/files/neg/t6902.flags
new file mode 100644
index 0000000000..e8fb65d50c
--- /dev/null
+++ b/test/files/neg/t6902.flags
@@ -0,0 +1 @@
+-Xfatal-warnings \ No newline at end of file
diff --git a/test/files/neg/t6902.scala b/test/files/neg/t6902.scala
new file mode 100644
index 0000000000..ce5ff8b6fb
--- /dev/null
+++ b/test/files/neg/t6902.scala
@@ -0,0 +1,23 @@
+object Test {
+ Some(Some(1)) collect {
+ case Some(a) => 2
+ case Some(b) => 3 // no warning was emitted
+ }
+
+ (Some(1): @ unchecked) match {
+ case Some(a) => 2
+ case Some(b) => 3 // no warning was emitted
+ }
+
+ // A variation of SI-6011, which eluded the fix
+ // in 2.10.0.
+ //
+ // duplicate keys in SWITCH, can't pick arbitrarily one of them to evict, see SI-6011.
+ // at scala.reflect.internal.SymbolTable.abort(SymbolTable.scala:50)
+ // at scala.tools.nsc.Global.abort(Global.scala:249)
+ // at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder$jcode$.emitSWITCH(GenASM.scala:1850)
+ ((1: Byte): @unchecked @annotation.switch) match {
+ case 1 => 2
+ case 1 => 3 // crash
+ }
+}
diff --git a/test/files/run/t6011c.scala b/test/files/run/t6011c.scala
new file mode 100644
index 0000000000..0647e3f81a
--- /dev/null
+++ b/test/files/run/t6011c.scala
@@ -0,0 +1,13 @@
+object Test extends App {
+ // A variation of SI-6011, which eluded the fix
+ // in 2.10.0.
+ //
+ // duplicate keys in SWITCH, can't pick arbitrarily one of them to evict, see SI-6011.
+ // at scala.reflect.internal.SymbolTable.abort(SymbolTable.scala:50)
+ // at scala.tools.nsc.Global.abort(Global.scala:249)
+ // at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder$jcode$.emitSWITCH(GenASM.scala:1850)
+ ((1: Byte): @unchecked @annotation.switch) match {
+ case 1 => 2
+ case 1 => 3 // crash
+ }
+}