[clang] [Clang] Support MSPropertyRefExpr as placement arg to new-expression (PR #75883)

[Vlad Serebrennikov via cfe-commits]

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@@ -130,27 +137,24 @@ C &&(&rMove)(C&) = std::move; // #8 expected-note {{instantiation of}}
 C &&(&rForward)(C&) = std::forward<C>; // #9 expected-note {{instantiation of}}
 int (&rUnrelatedMove)(B, B) = std::move;
 
-#if __cplusplus <= 201703L
-// expected-warning@#1 {{non-addressable}}
-// expected-warning@#2 {{non-addressable}}
-// expected-warning@#3 {{non-addressable}}
-// expected-warning@#4 {{non-addressable}}
-// expected-warning@#5 {{non-addressable}}
-// expected-warning@#6 {{non-addressable}}
-// expected-warning@#7 {{non-addressable}}
-// expected-warning@#8 {{non-addressable}}
-// expected-warning@#9 {{non-addressable}}
-#else
-// expected-error@#1 {{non-addressable}}
-// expected-error@#2 {{non-addressable}}
-// expected-error@#3 {{non-addressable}}
-// expected-error@#4 {{non-addressable}}
-// expected-error@#5 {{non-addressable}}
-// expected-error@#6 {{non-addressable}}
-// expected-error@#7 {{non-addressable}}
-// expected-error@#8 {{non-addressable}}
-// expected-error@#9 {{non-addressable}}
-#endif
+// cxx17-warning@#1 {{non-addressable}}
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Endilll wrote:

I'd put them directly after the lines they are issues for, instead of gathering them in one place and asking readers to follow the markers. Then they will be naturally collated by line instead of language mode.

https://github.com/llvm/llvm-project/pull/75883