[clang] [clang] CTAD: fix the aggregate deduction guide for alias templates. (PR #90894)

[Shafik Yaghmour via cfe-commits]

================
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -std=c++2a -verify -ast-dump -ast-dump-decl-types -ast-dump-filter "deduction guide" %s | FileCheck %s --strict-whitespace
+// RUN: %clang_cc1 -std=c++2a -verify -ast-dump -ast-dump-decl-types -Wno-c++11-narrowing -ast-dump-filter "deduction guide" %s | FileCheck %s --strict-whitespace
----------------
shafik wrote:

Is there a way to verify this fix w/o using a narrowing conversion?

https://github.com/llvm/llvm-project/pull/90894