[clang] [clang][bytecode] Use tailcalls via `[[clang::musttail]]` (PR #173756)

[Timm Baeder via cfe-commits]

Timm =?utf-8?q?Bäder?= <tbaeder at redhat.com>,
Timm =?utf-8?q?Bäder?= <tbaeder at redhat.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/173756 at github.com>


tbaederr wrote:

A neat side-effect is that this fixes `SemaTemplate/stack-exhaustion.cpp` and `CodeGenCXX/cxx2b-deducing-this.cpp`, which used to fail with the bytecode interpreter in debug builds, presumably because of the large stack usage in the old `Interpret()` function.

https://github.com/llvm/llvm-project/pull/173756