Fix crash generating facades for loasd. Fix bug in how we handle TypePredicates. Add test for TypeP…

lib/base.ts

Index: lib/base.ts
diff --git a/lib/base.ts b/lib/base.ts
index d49b56826d2ecd98b2b089999db2c8175595d55c..2f5b793e8a13473e1cdc54b2de9fc59e9a8e2d0f 100644
--- a/lib/base.ts
+++ b/lib/base.ts
@@ -249,7 +249,13 @@ export function isCallable(decl: ClassLike): boolean {
   });
 }
 
-export function copyLocation(src: ts.TextRange, dest: ts.TextRange) {
+export function copyLocation(src: ts.Node, dest: ts.Node) {
+  dest.pos = src.pos;
+  dest.end = src.end;
+  dest.parent = src.parent;
+}
+
+export function copyNodeArrayLocation(src: ts.TextRange, dest: ts.NodeArray<any>) {
   dest.pos = src.pos;
   dest.end = src.end;
 }