[index] Fix crash with indexing designated init expressions inside templates.

rdar://27452869

llvm-svn: 277570

1 files changed, 12 insertions, 0 deletions

diff --git a/clang/test/Index/Core/index-source.cpp b/clang/test/Index/Core/index-source.cpp
index 75c6396da55..c4e12903f6c 100644
--- a/clang/test/Index/Core/index-source.cpp
+++ b/clang/test/Index/Core/index-source.cpp
@@ -7,3 +7,15 @@ class TemplCls {
   // CHECK: [[@LINE-1]]:3 | constructor/C++ | TemplCls | c:@ST>1#T@TemplCls@F@TemplCls#I# | <no-cgname> | Decl,RelChild | rel: 1
   // CHECK-NEXT: RelChild | TemplCls | c:@ST>1#T@TemplCls
 };
+
+template <typename T>
+class BT {
+  struct KLR {
+    int idx;
+  };
+
+  // CHECK: [[@LINE+1]]:7 | instance-method/C++ | foo |
+  KLR foo() {
+    return { .idx = 0 }; // Make sure this doesn't trigger a crash.
+  }
+};