Merge pull request swiftlang#39028 from compnerd/swiftDifferentiationRuntime

Differentiation: correct the storage annotation for runtime functions

Author: compnerd

stdlib/public/runtime/AutoDiffSupport.h

@@ -39,16 +39,16 @@ class AutoDiffLinearMapContext : public HeapObject {
 };
 
 /// Creates a linear map context with a tail-allocated top-level subcontext.
-SWIFT_EXPORT_FROM(swift_Differentiation) SWIFT_CC(swift)
+SWIFT_RUNTIME_EXPORT SWIFT_CC(swift)
 AutoDiffLinearMapContext *swift_autoDiffCreateLinearMapContext(
     size_t topLevelSubcontextSize);
 
 /// Returns the address of the tail-allocated top-level subcontext.
-SWIFT_EXPORT_FROM(swift_Differentiation) SWIFT_CC(swift)
+SWIFT_RUNTIME_EXPORT SWIFT_CC(swift)
 void *swift_autoDiffProjectTopLevelSubcontext(AutoDiffLinearMapContext *);
 
 /// Allocates memory for a new subcontext.
-SWIFT_EXPORT_FROM(swift_Differentiation) SWIFT_CC(swift)
+SWIFT_RUNTIME_EXPORT SWIFT_CC(swift)
 void *swift_autoDiffAllocateSubcontext(AutoDiffLinearMapContext *, size_t size);
 
 }