diff --git a/lib/SILGen/SILGenDecl.cpp b/lib/SILGen/SILGenDecl.cpp
index 09302419fb4e4..27d19179c4e9c 100644
--- a/lib/SILGen/SILGenDecl.cpp
+++ b/lib/SILGen/SILGenDecl.cpp
@@ -1771,7 +1771,6 @@ SILValue SILGenFunction::emitZipperedOSVersionRangeCheck(
   // macCatalyst process it will use the iOS version.
   llvm::Triple VariantTriple = *getASTContext().LangOpts.TargetVariant;
   llvm::Triple TargetTriple = getASTContext().LangOpts.Target;
-  assert(triplesAreValidForZippering(TargetTriple, VariantTriple));
 
   // From perspective of the driver and most of the frontend,
   // -target and -target-variant are symmetric. That is, the user
diff --git a/lib/Serialization/SerializedModuleLoader.cpp b/lib/Serialization/SerializedModuleLoader.cpp
index 080895370af67..949f2395a90c1 100644
--- a/lib/Serialization/SerializedModuleLoader.cpp
+++ b/lib/Serialization/SerializedModuleLoader.cpp
@@ -1323,6 +1323,7 @@ bool swift::extractCompilerFlagsFromInterface(
   // we have loaded a Swift interface from a different-but-compatible
   // architecture slice. Use the compatible subarchitecture.
   for (unsigned I = 1; I < SubArgs.size(); ++I) {
+    // FIXME: Also fix up -target-variant (rdar://135322077).
     if (strcmp(SubArgs[I - 1], "-target") != 0) {
       continue;
     }
diff --git a/validation-test/ParseableInterface/rdar133020098.swift b/validation-test/ParseableInterface/rdar133020098.swift
new file mode 100644
index 0000000000000..1e26962a627df
--- /dev/null
+++ b/validation-test/ParseableInterface/rdar133020098.swift
@@ -0,0 +1,5 @@
+// RUN: %target-swift-frontend -typecheck %s
+
+// REQUIRES: OS=macosx
+
+import System