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This affects -gmodules only.
Under normal operation pcm_type is a shallow forward declaration
that gets completed later. This is necessary to support cyclic
data structures. If, however, pcm_type is already complete (for
example, because it was loaded for a different target before),
the definition needs to be imported right away, too.
Type::ResolveClangType() effectively ignores the ResolveState
inside type_sp and only looks at IsDefined(), so it never calls
ClangASTImporter::ASTImporterDelegate::ImportDefinitionTo(),
which does extra work for Objective-C classes. This would result
in only the forward declaration to be visible.
An alternative implementation would be to sink this into Type::ResolveClangType ( 88235812a7/lldb/source/Symbol/Type.cpp (L5809)) though it isn't clear to me how to best do this from a layering perspective.
rdar://problem/52134074
Differential Revision: https://reviews.llvm.org/D70415
5 lines
53 B
Plaintext
5 lines
53 B
Plaintext
module Umbrella {
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header "umbrella.h"
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export *
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}
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