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hidden-duplicates.m
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hidden-duplicates.m
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// XFAIL: target={{.*}}-aix{{.*}}, target={{.*}}-zos{{.*}}
// RUN: rm -rf %t
// RUN: split-file %s %t
// RUN: %clang_cc1 -emit-llvm -o %t/test.bc -I %t/include %t/test.m -verify \
// RUN: -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/modules.cache
// RUN: %clang_cc1 -emit-llvm -o %t/test.bc -I %t/include %t/test.m -verify -DTEST_MAKE_HIDDEN_VISIBLE=1 \
// RUN: -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/modules.cache
// RUN: %clang_cc1 -emit-llvm -o %t/test.bc -I %t/include %t/test.m -verify -x objective-c++ \
// RUN: -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/modules.cache
// RUN: %clang_cc1 -emit-llvm -o %t/test.bc -I %t/include %t/test.m -verify -DTEST_MAKE_HIDDEN_VISIBLE=1 -x objective-c++ \
// RUN: -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/modules.cache
// Test parsing duplicate Objective-C entities when a previous entity is defined
// in a hidden [sub]module and cannot be used.
//
// Testing with header guards and includes on purpose as tracking imports in
// modules is a separate issue.
//--- include/textual.h
#ifndef TEXTUAL_H
#define TEXTUAL_H
@protocol TestProtocol
- (void)someMethod;
@end
@protocol ForwardDeclaredProtocolWithoutDefinition;
id<TestProtocol> protocolDefinition(id<TestProtocol> t);
id<ForwardDeclaredProtocolWithoutDefinition> forwardDeclaredProtocol(
id<ForwardDeclaredProtocolWithoutDefinition> t);
#endif
//--- include/empty.h
//--- include/initially_hidden.h
#include "textual.h"
//--- include/module.modulemap
module Piecewise {
module Empty {
header "empty.h"
}
module InitiallyHidden {
header "initially_hidden.h"
export *
}
}
//--- test.m
// Including empty.h loads the entire module Piecewise but keeps InitiallyHidden hidden.
#include "empty.h"
#include "textual.h"
#ifdef TEST_MAKE_HIDDEN_VISIBLE
#include "initially_hidden.h"
#endif
// expected-no-diagnostics