Added test case.

tests/cases/compiler/taggedTemplatesInDifferentScopes.ts

@@ -0,0 +1,15 @@
+export function tag(parts: TemplateStringsArray, ...values: any[]) {
+    return parts[0];
+}
+function foo() {
+    tag `foo`;
+    tag `foo2`;
+}
+
+function bar() {
+    tag `bar`;
+    tag `bar2`;
+}
+
+foo();
+bar();