[clang] [Clang][OpenMP] Fixed an assertion when `#pragma omp declare simd` or `#pragma omp declare variant` is followed by another OpenMP declarative directive containing a qualified identifier (PR #217875)

[Shengxin Pei via cfe-commits]

================
@@ -2214,6 +2214,17 @@ Parser::DeclGroupPtrTy Parser::ParseOpenMPDeclarativeDirectiveWithExtDecl(
           << (DKind == OMPD_declare_simd ? 0 : 1);
       return DeclGroupPtrTy();
     }
+
+    DeclGroupRef DG = Ptr.get();
----------------
TPPPP72 wrote:

No. The current OpenMP parser stuffs declarations that do not meet positional constraints into a `DeclGroup`, so filtering is performed downstream.

https://github.com/llvm/llvm-project/pull/217875