1 // RUN: rm -rf %t 2 // RUN: %clang_cc1 -x objective-c++ -fmodules -fmodules-cache-path=%t -I %S/Inputs %s -verify 3 4 int &global(int); 5 int &global2(int); 6 7 namespace N6 { 8 char &f(char); 9 } 10 11 namespace N8 { } 12 13 namespace LookupBeforeImport { 14 int &f(int); 15 } 16 void testEarly() { 17 int &r = LookupBeforeImport::f(1); 18 } 19 20 @import namespaces_left; 21 @import namespaces_right; 22 23 void test() { 24 int &ir1 = N1::f(1); 25 int &ir2 = N2::f(1); 26 int &ir3 = N3::f(1); 27 int &ir4 = global(1); 28 int &ir5 = ::global2(1); 29 float &fr1 = N1::f(1.0f); 30 float &fr2 = N2::f(1.0f); 31 float &fr3 = global(1.0f); 32 float &fr4 = ::global2(1.0f); 33 float &fr5 = LookupBeforeImport::f(1.0f); 34 double &dr1 = N2::f(1.0); 35 double &dr2 = N3::f(1.0); 36 double &dr3 = global(1.0); 37 double &dr4 = ::global2(1.0); 38 double &dr5 = LookupBeforeImport::f(1.0); 39 } 40 41 // Test namespaces merged without a common first declaration. 42 namespace N5 { 43 char &f(char); 44 } 45 46 namespace N10 { 47 int &f(int); 48 } 49 50 void testMerged() { 51 int &ir1 = N5::f(17); 52 int &ir2 = N6::f(17); 53 int &ir3 = N7::f(17); 54 double &fr1 = N5::f(1.0); 55 double &fr2 = N6::f(1.0); 56 double &fr3 = N7::f(1.0); 57 char &cr1 = N5::f('a'); 58 char &cr2 = N6::f('b'); 59 } 60 61 // Test merging of declarations within namespaces that themselves were 62 // merged without a common first declaration. 63 void testMergedMerged() { 64 int &ir1 = N8::f(17); 65 int &ir2 = N9::f(17); 66 int &ir3 = N10::f(17); 67 } 68 69 // Test merging when using anonymous namespaces, which does not 70 // actually perform any merging. 71 void testAnonymousNotMerged() { 72 N11::consumeFoo(N11::getFoo()); // expected-error{{cannot initialize a parameter of type 'N11::<anonymous>::Foo *' with an rvalue of type 'N11::<anonymous>::Foo *'}} 73 N12::consumeFoo(N12::getFoo()); // expected-error{{cannot initialize a parameter of type 'N12::<anonymous>::Foo *' with an rvalue of type 'N12::<anonymous>::Foo *'}} 74 } 75 76 // namespaces-right.h: expected-note@60 {{passing argument to parameter here}} 77 // namespaces-right.h: expected-note@67 {{passing argument to parameter here}} 78
