[clang] Add concepts for Structured buffers (PR #119643)

[Helena Kotas via cfe-commits]

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@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-library -x hlsl -ast-dump -ast-dump-filter=__is_structured_resource_element_compatible %s | FileCheck %s
+
+// CHECK: ConceptDecl 0x{{[0-9a-f]+}} <<invalid sloc>> <invalid sloc> __is_structured_resource_element_compatible
+// CHECK: |-TemplateTypeParmDecl 0x{{[0-9a-f]+}} <<invalid sloc>> <invalid sloc> referenced typename depth 0 index 0 element_type
+// CHECK: `-BinaryOperator 0x{{[0-9a-f]+}} <<invalid sloc>> 'bool' lvalue '&&'
+// CHECK:   |-UnaryOperator 0x{{[0-9a-f]+}} <<invalid sloc>> 'bool' lvalue prefix '~' cannot overflow
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hekota wrote:

`~` is bitwise NOT, it should be `!` logical NOT.

https://github.com/llvm/llvm-project/pull/119643