// Test this without pch. // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-pc-win32 -fms-extensions -fsyntax-only -include %s -verify -std=c++11 // Test with pch. // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-pc-win32 -fms-extensions -emit-pch -o %t -std=c++11 // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-pc-win32 -fms-extensions -fsyntax-only -include-pch %t -verify -std=c++11 // The first run line creates a pch, and since at that point HEADER is not // defined, the only thing contained in the pch is the pragma. The second line // then includes that pch, so HEADER is defined and the actual code is compiled. // The check then makes sure that the pragma is in effect in the file that // includes the pch. // expected-no-diagnostics #ifndef HEADER #define HEADER struct S0; static_assert(sizeof(int S0::*) == 12, ""); struct S1; struct S2; #pragma pointers_to_members(full_generality, single_inheritance) static_assert(sizeof(int S1::*) == 4, ""); #else static_assert(sizeof(int S2::*) == 4, ""); static_assert(sizeof(int S0::*) == 12, ""); #endif