1 // Test this without pch. 2 // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-pc-win32 -fms-extensions -fsyntax-only -include %s -verify -std=c++11 3 4 // Test with pch. 5 // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-pc-win32 -fms-extensions -emit-pch -o %t -std=c++11 6 // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-pc-win32 -fms-extensions -fsyntax-only -include-pch %t -verify -std=c++11 7 8 // The first run line creates a pch, and since at that point HEADER is not 9 // defined, the only thing contained in the pch is the pragma. The second line 10 // then includes that pch, so HEADER is defined and the actual code is compiled. 11 // The check then makes sure that the pragma is in effect in the file that 12 // includes the pch. 13 14 // expected-no-diagnostics 15 16 #ifndef HEADER 17 #define HEADER 18 19 struct S0; 20 static_assert(sizeof(int S0::*) == 12, ""); 21 22 struct S1; 23 struct S2; 24 25 #pragma pointers_to_members(full_generality, single_inheritance) 26 27 static_assert(sizeof(int S1::*) == 4, ""); 28 29 #else 30 31 static_assert(sizeof(int S2::*) == 4, ""); 32 static_assert(sizeof(int S0::*) == 12, ""); 33 34 #endif 35
