From 2024ca20f883aa2c1c912d605287c2ed9d963a93 Mon Sep 17 00:00:00 2001
From: Daniel Rosenwasser <Daniel.Rosenwasser@microsoft.com>
Date: Fri, 13 Oct 2017 15:25:04 -0700
Subject: [PATCH] Create truly unique names for tagged template strings.

---
 src/compiler/transformers/es2015.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/compiler/transformers/es2015.ts b/src/compiler/transformers/es2015.ts
index d5ce2bdc3a4..a1e52480172 100644
--- a/src/compiler/transformers/es2015.ts
+++ b/src/compiler/transformers/es2015.ts
@@ -3676,7 +3676,8 @@ namespace ts {
             // Do not do this in the global scope, as any variable we currently generate could conflict with
             // variables from outside of the current compilation. In the future, we can revisit this behavior.
             if (isExternalModule(currentSourceFile)) {
-                const tempVar = createTempVariable(recordTaggedTemplateString);
+                const tempVar = createUniqueName("templateObject");
+                recordTaggedTemplateString(tempVar);
                 templateArguments[0] = createLogicalOr(
                     tempVar,
                     createAssignment(