[clang] [llvm] [TargetParser][ARM][NFC] Make string tables reloc-free (PR #206937)

[Tomas Matheson via llvm-commits]

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@@ -927,7 +927,8 @@ void tools::getTargetFeatures(const Driver &D, const llvm::Triple &Triple,
 
   for (auto Feature : unifyTargetFeatures(Features)) {
     CmdArgs.push_back(IsAux ? "-aux-target-feature" : "-target-feature");
-    CmdArgs.push_back(Feature.data());
+    // Feature strings may not be null-terminated.
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tommat01 wrote:

I would not expect non-null-terminated strings here, I think it makes the interface less safe/more susceptible to user errors.

https://github.com/llvm/llvm-project/pull/206937