[clang] [Clang][Sema] Ensure explicitly defaulted functions respect FP pragmas from their declaration site (PR #207429)

[Erich Keane via cfe-commits]

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@@ -9027,9 +9048,10 @@ bool Sema::CheckExplicitlyDefaultedComparison(Scope *S, FunctionDecl *FD,
     UnresolvedSet<32> Operators;
     lookupOperatorsForDefaultedComparison(*this, S, Operators,
                                           FD->getOverloadedOperator());
-    FD->setDefaultedOrDeletedInfo(
-        FunctionDecl::DefaultedOrDeletedFunctionInfo::Create(
-            Context, Operators.pairs()));
+    auto *Info = FunctionDecl::DefaultedOrDeletedFunctionInfo::Create(
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erichkeane wrote:

Why this change?  Why can't we just use the `setDefaultedOrDeletedInfo` version with `FPFeatures` here? 

https://github.com/llvm/llvm-project/pull/207429