Always use an opaque AP for inline array elements

Author: Azoy

lib/SIL/IR/TypeLowering.cpp

@@ -3067,14 +3067,8 @@ bool TypeConverter::visitAggregateLeaves(
                            origTy.getPackExpansionPatternType(),
                            field, index);
       } else if (auto array = dyn_cast<BuiltinFixedArrayType>(ty)) {
-        auto origEltTy = AbstractionPattern::getOpaque();
-
-        if (auto origBFA = origTy.getAs<BuiltinFixedArrayType>()) {
-          origEltTy = AbstractionPattern(origTy.getGenericSignatureOrNull(),
-                                         origBFA->getElementType());
-        }
-
-        insertIntoWorklist(array->getElementType(), origEltTy, field, index);
+        insertIntoWorklist(array->getElementType(),
+                           AbstractionPattern::getOpaque(), field, index);
       } else if (auto *decl = ty.getStructOrBoundGenericStruct()) {
         for (auto *structField : decl->getStoredProperties()) {
           auto subMap = ty->getContextSubstitutionMap();