[clang] [clang] Allow devirtualisation of indirect calls to final virtual methods (PR #165341)

[Oliver Hunt via cfe-commits]

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+// Actual triple does not matter, just ensuring that the ABI being used for
+// mangling and similar is consistent. Choosing x86_64 as that seems to be a
+// configured target for most build configurations
+// RUN: %clang_cc1 -triple=x86_64 -std=c++26 %s -emit-llvm -O3                          -o - | FileCheck %s
+// RUN: %clang_cc1 -triple=x86_64 -std=c++26 %s -emit-llvm -O3 -fstrict-vtable-pointers -o - | FileCheck %s --check-prefix=STRICT
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ojhunt wrote:

Oh, so we're verifying that the correct IR is being generated initially?

https://github.com/llvm/llvm-project/pull/165341