SI-9944 Scan after interp expr keeps CR

In an interpolated expression `s"""${ e }"""`, the scanner
advances input past the RBRACE. If a multiline string as
shown, get the next raw char, because CR is significant.

1 files changed, 12 insertions, 0 deletions

diff --git a/test/files/run/t9944.check b/test/files/run/t9944.check
new file mode 100755
index 0000000000..c2b0adf311
--- /dev/null
+++ b/test/files/run/t9944.check
@@ -0,0 +1,12 @@
+[[syntax trees at end of                    parser]] // newSource1.scala
+package <empty> {
+  class C extends scala.AnyRef {
+    def <init>() = {
+      super.<init>();
+      ()
+    };
+    def g = 42;
+    def f = StringContext("123\r\n", "\r\n123\r\n").s(g)
+  }
+}
+