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// RUN: %clang_cc1 -fmodules -fmodules-local-submodule-visibility -fno-modules-error-recovery -fno-spell-checking -verify %s
#pragma clang module build a
module a { explicit module b {} explicit module c {} }
#pragma clang module contents
#pragma clang module begin a.b
namespace b { int n; }
#pragma clang module end
#pragma clang module begin a.c
#pragma clang module import a.b
namespace c { using namespace b; }
#pragma clang module end
#pragma clang module begin a
#pragma clang module import a.c
using namespace c;
#pragma clang module end
#pragma clang module endbuild
#pragma clang module import a.b
void use1() {
(void)n; // expected-error {{use of undeclared identifier}}
(void)::n; // expected-error {{no member named 'n' in the global namespace}}
(void)b::n;
}
namespace b {
void use1_in_b() { (void)n; }
}
namespace c {
void use1_in_c() { (void)n; } // expected-error {{use of undeclared identifier}}
}
#pragma clang module import a.c
void use2() {
(void)n; // expected-error {{use of undeclared identifier}}
(void)::n; // expected-error {{no member named 'n' in the global namespace}}
(void)b::n;
(void)c::n;
}
namespace b {
void use2_in_b() { (void)n; }
}
namespace c {
void use2_in_c() { (void)n; }
}
#pragma clang module import a
void use3() {
(void)n;
(void)::n;
(void)b::n;
(void)c::n;
}
namespace b {
void use3_in_b() { (void)n; }
}
namespace c {
void use3_in_c() { (void)n; }
}
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