[clang] [clang] Respect `CLANG_USE_EXPERIMENTAL_CONST_INTERP` (PR #200716)

[Timm Baeder via cfe-commits]

Timm =?utf-8?q?Bäder?= <tbaeder at redhat.com>,
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/200716 at github.com>


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@@ -6673,8 +6673,15 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
 
   Args.AddLastArg(CmdArgs, options::OPT_fexperimental_library);
 
-  if (Args.hasArg(options::OPT_fexperimental_new_constant_interpreter))
-    CmdArgs.push_back("-fexperimental-new-constant-interpreter");
+  if (CLANG_USE_EXPERIMENTAL_CONST_INTERP) {
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tbaederr wrote:

I don't have a strong opinion between `if`, `#if` and `if constexpr`.

https://github.com/llvm/llvm-project/pull/200716