[clang] Add support for builtin_verbose_trap (PR #79230)

[Paul T Robinson via cfe-commits]

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+// RUN: %clang_cc1 -triple arm64-apple-ios -std=c++20 -emit-llvm -debug-info-kind=limited %s -o - | FileCheck %s
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pogo59 wrote:

If you want to test optimization behavior, that would be an LLVM test starting from IR. Clang itself does not optimize and so should not test optimization behavior.

https://github.com/llvm/llvm-project/pull/79230