[clang] [clang][ASTImporter] add processing of SubstNonTypeTemplateParmExpr in isAncestorDeclContextOf (PR #74991)

[Balázs Kéri via cfe-commits]

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@@ -9284,6 +9284,26 @@ TEST_P(ASTImporterOptionSpecificTestBase,
   // EXPECT_EQ(ToF1Imported->getPreviousDecl(), ToF1);
 }
 
+TEST_P(ASTImporterOptionSpecificTestBase, ImportFunctionAutoType) {
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balazske wrote:

This test belongs to `ImportAutoFunctions` and a better name is `ReturnWithSubstNonTypeTemplateParmExpr`.

https://github.com/llvm/llvm-project/pull/74991