[clang] [Clang] Fix crash on `void{}` (PR #147514)

[Corentin Jabot via cfe-commits]

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@@ -13,4 +13,7 @@ void f() {
   void();
 }
 
+// CHECK: define{{.*}} void @_ZN8GH1164401fEv()
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cor3ntin wrote:

oups!

https://github.com/llvm/llvm-project/pull/147514