1*82b8d4e6SRichard Smith // RUN: rm -rf %t 2*82b8d4e6SRichard Smith // RUN: mkdir %t 3*82b8d4e6SRichard Smith // RUN: echo 'struct X {}; struct Y : X { friend int f(Y); };' > %t/a.h 4*82b8d4e6SRichard Smith // RUN: echo 'module a { header "a.h" }' > %t/map 5*82b8d4e6SRichard Smith // RUN: %clang_cc1 -fmodules -x c++ -emit-module -fmodule-name=a %t/map -o %t/a.pcm 6*82b8d4e6SRichard Smith // RUN: %clang_cc1 -fmodules -x c++ -verify -fmodule-file=%t/a.pcm %s -fno-modules-error-recovery 7*82b8d4e6SRichard Smith 8*82b8d4e6SRichard Smith struct X; 9*82b8d4e6SRichard Smith struct Y; 10*82b8d4e6SRichard Smith 11*82b8d4e6SRichard Smith // Ensure that we can't use the definitions of X and Y, since we've not imported module a. 12*82b8d4e6SRichard Smith Y *yp; 13*82b8d4e6SRichard Smith X *xp = yp; // expected-error {{cannot initialize}} 14*82b8d4e6SRichard Smith _Static_assert(!__is_convertible(Y*, X*), ""); 15*82b8d4e6SRichard Smith X &xr = *yp; // expected-error {{unrelated type}} g(Y & y)16*82b8d4e6SRichard Smithint g(Y &y) { f(y); } // expected-error {{undeclared identifier 'f'}} 17