From 4f2505c0aa41497bb388b7725eddebc0ed8e7ad5 Mon Sep 17 00:00:00 2001
From: Robert Jackson <rjackson@linkedin.com>
Date: Thu, 19 Nov 2020 10:09:40 -0500
Subject: [PATCH] Ensure `loc` is populated by `builders.element(...)`

Fixes issues with AST transforms that were previously not
passing `loc` in the `builders.element` options.

(cherry picked from commit 48b1cbb2635ea249bef7880c94336846cb6cc048)
---
 packages/@glimmer/syntax/lib/v1/public-builders.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/@glimmer/syntax/lib/v1/public-builders.ts b/packages/@glimmer/syntax/lib/v1/public-builders.ts
index 9eb73764da..c0637d7eff 100644
--- a/packages/@glimmer/syntax/lib/v1/public-builders.ts
+++ b/packages/@glimmer/syntax/lib/v1/public-builders.ts
@@ -199,7 +199,7 @@ export interface BuildElementOptions {
   children?: ASTv1.Statement[];
   comments?: ElementComment[];
   blockParams?: string[];
-  loc: SourceSpan;
+  loc?: SourceSpan;
 }
 
 function buildElement(tag: TagDescriptor, options: BuildElementOptions): ASTv1.ElementNode {
@@ -228,7 +228,7 @@ function buildElement(tag: TagDescriptor, options: BuildElementOptions): ASTv1.E
     modifiers: modifiers || [],
     comments: (comments as ASTv1.MustacheCommentStatement[]) || [],
     children: children || [],
-    loc,
+    loc: buildLoc(loc || null),
   };
 }