[clang] [clang] Bind the __builtin_bit_cast operand as std::bit_cast binds its parameter (PR #231830)

[via cfe-commits]

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@@ -47,10 +47,10 @@ void h() {
 // CHECK-NEXT:  |     `-DeclRefExpr {{.+}} 'std::nullptr_t ()' lvalue Function {{.+}} 'g' 'std::nullptr_t ()'
 // CHECK-NEXT:  `-ImplicitCastExpr {{.+}} 'void *' <NullToPointer>
 // CHECK-NEXT:    `-BuiltinBitCastExpr {{.+}} 'std::nullptr_t' <LValueToRValueBitCast>
-// CHECK-NEXT:      `-MaterializeTemporaryExpr {{.+}} 'void *' xvalue
-// CHECK-NEXT:        `-CXXStaticCastExpr {{.+}} 'void *' static_cast<void *> <NoOp>
-// CHECK-NEXT:          `-ImplicitCastExpr {{.+}} 'void *' <BitCast> part_of_explicit_cast
-// CHECK-NEXT:            `-UnaryOperator {{.+}} 'int *' prefix '&' cannot overflow
-// CHECK-NEXT:              `-DeclRefExpr {{.+}} 'int' lvalue Var {{.+}} 'i' 'int'
+// CHECK-NEXT:      `-MaterializeTemporaryExpr {{.+}} 'void *const' lvalue
+// CHECK:               `-CXXStaticCastExpr {{.+}} 'void *' static_cast<void *> <NoOp>
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Nemi26 wrote:

No: from C++17 on, the binding adds a NoOp cast to `void *const`, which C++11/14 don't have. That node is now checked under a `SINCE-CXX17` prefix, with `-NEXT` throughout.

https://github.com/llvm/llvm-project/pull/231830