// RUN: rm -rf %t // RUN: %clang_cc1 -x objective-c++ -fmodules -fmodules-cache-path=%t -I %S/Inputs %s -verify int &global(int); int &global2(int); namespace N6 { char &f(char); } namespace N8 { } namespace LookupBeforeImport { int &f(int); } void testEarly() { int &r = LookupBeforeImport::f(1); } @import namespaces_left; @import namespaces_right; void test() { int &ir1 = N1::f(1); int &ir2 = N2::f(1); int &ir3 = N3::f(1); int &ir4 = global(1); int &ir5 = ::global2(1); float &fr1 = N1::f(1.0f); float &fr2 = N2::f(1.0f); float &fr3 = global(1.0f); float &fr4 = ::global2(1.0f); float &fr5 = LookupBeforeImport::f(1.0f); double &dr1 = N2::f(1.0); double &dr2 = N3::f(1.0); double &dr3 = global(1.0); double &dr4 = ::global2(1.0); double &dr5 = LookupBeforeImport::f(1.0); } // Test namespaces merged without a common first declaration. namespace N5 { char &f(char); } namespace N10 { int &f(int); } void testMerged() { int &ir1 = N5::f(17); int &ir2 = N6::f(17); int &ir3 = N7::f(17); double &fr1 = N5::f(1.0); double &fr2 = N6::f(1.0); double &fr3 = N7::f(1.0); char &cr1 = N5::f('a'); char &cr2 = N6::f('b'); } // Test merging of declarations within namespaces that themselves were // merged without a common first declaration. void testMergedMerged() { int &ir1 = N8::f(17); int &ir2 = N9::f(17); int &ir3 = N10::f(17); } // Test merging when using anonymous namespaces, which does not // actually perform any merging. void testAnonymousNotMerged() { N11::consumeFoo(N11::getFoo()); // expected-error{{cannot initialize a parameter of type 'N11::<anonymous>::Foo *' with an rvalue of type 'N11::<anonymous>::Foo *'}} N12::consumeFoo(N12::getFoo()); // expected-error{{cannot initialize a parameter of type 'N12::<anonymous>::Foo *' with an rvalue of type 'N12::<anonymous>::Foo *'}} } // expected-note@Inputs/namespaces-right.h:60 {{passing argument to parameter here}} // expected-note@Inputs/namespaces-right.h:67 {{passing argument to parameter here}}