From 986532d36bcef004a41581036e3dcea9341bd9d1 Mon Sep 17 00:00:00 2001
From: Andy <anhans@microsoft.com>
Date: Mon, 11 Jun 2018 08:43:17 -0700
Subject: [PATCH] Fix bug: In findAllReferences, don't crash on static method
 missing body (#24814)

---
 src/services/findAllReferences.ts              | 18 ++++++++++--------
 .../cases/fourslash/findAllRefsDeclareClass.ts |  7 +++++++
 2 files changed, 17 insertions(+), 8 deletions(-)
 create mode 100644 tests/cases/fourslash/findAllRefsDeclareClass.ts

diff --git a/src/services/findAllReferences.ts b/src/services/findAllReferences.ts
index 394e487e2f0..e40a1f28161 100644
--- a/src/services/findAllReferences.ts
+++ b/src/services/findAllReferences.ts
@@ -1035,14 +1035,16 @@ namespace ts.FindAllReferences.Core {
             if (!(isMethodOrAccessor(member) && hasModifier(member, ModifierFlags.Static))) {
                 continue;
             }
-            member.body!.forEachChild(function cb(node) {
-                if (node.kind === SyntaxKind.ThisKeyword) {
-                    addRef(node);
-                }
-                else if (!isFunctionLike(node)) {
-                    node.forEachChild(cb);
-                }
-            });
+            if (member.body) {
+                member.body.forEachChild(function cb(node) {
+                    if (node.kind === SyntaxKind.ThisKeyword) {
+                        addRef(node);
+                    }
+                    else if (!isFunctionLike(node)) {
+                        node.forEachChild(cb);
+                    }
+                });
+            }
         }
     }
 
diff --git a/tests/cases/fourslash/findAllRefsDeclareClass.ts b/tests/cases/fourslash/findAllRefsDeclareClass.ts
new file mode 100644
index 00000000000..9ef813634a5
--- /dev/null
+++ b/tests/cases/fourslash/findAllRefsDeclareClass.ts
@@ -0,0 +1,7 @@
+/// <reference path="fourslash.ts" />
+
+////declare class [|{| "isWriteAccess": true, "isDefinition": true |}C|] {
+////    static m(): void;
+////}
+
+verify.singleReferenceGroup("class C");