Merge pull request scala#4068 from lrytz/t8925

SI-8925, SI-7407 test cases, fixed in new backend

Author: retronym

test/files/run/t7407.flags

@@ -1 +1 @@
--Ynooptimise -Ybackend:GenBCode
+-Ynooptimise -Yopt:l:none -Ybackend:GenBCode

test/files/run/t8925.check

@@ -0,0 +1,2 @@
+bar
+abcd

test/files/run/t8925.flags

@@ -0,0 +1 @@
+-Ynooptimise -Yopt:l:none -Ybackend:GenBCode

test/files/run/t8925.scala

@@ -0,0 +1,31 @@
+object Ex {
+  def unapply(t: Throwable): Option[Throwable] = Some(t)
+}
+
+class A {
+  var x = ""
+
+  def bar =
+    try {
+      "bar"
+    } finally {
+      try {
+        x += "a"
+      } finally {
+        x += "b"
+        try {
+          x += "c"
+          throw null
+        } catch {
+          case Ex(_) =>
+            x += "d"
+        }
+      }
+    }
+}
+
+object Test extends App {
+  val a = new A
+  println(a.bar)
+  println(a.x)
+}