[clang] [clang][SPIRV] Remove volatile variants of GenericCastToPtr* built-ins (PR #146298)

[Victor Lomuller via cfe-commits]

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@@ -93,16 +73,6 @@ __SPIRV_BUILTIN_ALIAS(__builtin_spirv_generic_cast_to_ptr_explicit)
 __private const void *
 __spirv_GenericCastToPtrExplicit_ToPrivate(__generic const void *,
                                            int) __SPIRV_NOEXCEPT;
-extern __SPIRV_overloadable
-__SPIRV_BUILTIN_ALIAS(__builtin_spirv_generic_cast_to_ptr_explicit)
-__private volatile void *
-__spirv_GenericCastToPtrExplicit_ToPrivate(__generic volatile void *,
-                                           int) __SPIRV_NOEXCEPT;
-extern __SPIRV_overloadable
-__SPIRV_BUILTIN_ALIAS(__builtin_spirv_generic_cast_to_ptr_explicit)
-__private const volatile void *
-__spirv_GenericCastToPtrExplicit_ToPrivate(__generic const volatile void *,
-                                           int) __SPIRV_NOEXCEPT;
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Naghasan wrote:

While I agree with your point, that imposes a cast for the user. How about providing the implementation for it then ?

https://github.com/llvm/llvm-project/pull/146298