[clang] [analyzer] Do not destruct fields of unions (PR #122330)

[Gábor Horváth via cfe-commits]

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@@ -377,3 +377,26 @@ void directUnknownSymbol() {
 }
 
 }
+
+void testUnionDtor() {
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Xazax-hun wrote:

I think this is a wonderful test but I would not expect to find it in dtor-array as this has nothing to do with arrays. Would it be possible to move it to a new file? Also to add a same test with a union that does not declare a dtor?

https://github.com/llvm/llvm-project/pull/122330