[index] Add a test for a crash with unnamed NamedDecls
Previously this would crash during record hashing.
rdar://problem/32474406
diff --git a/test/Index/Store/record-hash-crash-invalid-name.cpp b/test/Index/Store/record-hash-crash-invalid-name.cpp
new file mode 100644
index 0000000..4479789
--- /dev/null
+++ b/test/Index/Store/record-hash-crash-invalid-name.cpp
@@ -0,0 +1,17 @@
+// Makes sure it doesn't crash.
+
+// XFAIL: linux
+
+// RUN: rm -rf %t
+// RUN: not %clang_cc1 %s -index-store-path %t/idx -std=c++14
+// RUN: c-index-test core -print-record %t/idx | FileCheck %s
+
+namespace rdar32474406 {
+void foo();
+typedef void (*Func_t)();
+// CHECK: [[@LINE+4]]:1 | type-alias/C | c:record-hash-crash-invalid-name.cpp@N@rdar32474406@T@Func_t | Ref,RelCont | rel: 1
+// CHECK-NEXT: RelCont | c:@N@rdar32474406
+// CHECK: [[@LINE+2]]:14 | function/C | c:@N@rdar32474406@F@foo# | Ref,RelCont | rel: 1
+// CHECK-NEXT: RelCont | c:@N@rdar32474406
+Func_t[] = { foo }; // invalid decomposition
+}
