[clang] [HLSL] Add NativeInt16Type langopt to control whether short type is supported. Enabled by default for all but HLSL. (PR #165584)

[Sarah Spall via cfe-commits]

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@@ -0,0 +1,8 @@
+// RUN: not %clang_dxc -enable-16bit-types -T lib_6_7 foo.hlsl -### %s 2>&1 | FileCheck %s
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spall wrote:

If I make this change the test fails; I copied these run lines from a very similar test
https://github.com/llvm/llvm-project/blob/main/clang/test/Driver/dxc_fcgl.hlsl

https://github.com/llvm/llvm-project/pull/165584