1 // Test -D and -U interaction with a PCH when -fms-extensions is enabled. 2 3 // RUN: %clang_cc1 -DFOO %S/variables.h -emit-pch -o %t1.pch 4 5 // RUN: not %clang_cc1 -DFOO=blah -DBAR=int -include-pch %t1.pch -pch-through-header=%S/variables.h %s 2> %t.err 6 // RUN: FileCheck -check-prefix=CHECK-FOO %s < %t.err 7 8 // RUN: not %clang_cc1 -UFOO -DBAR=int -include-pch %t1.pch %s -pch-through-header=%S/variables.h 2> %t.err 9 // RUN: FileCheck -check-prefix=CHECK-NOFOO %s < %t.err 10 11 // RUN: %clang_cc1 -include-pch %t1.pch -DBAR=int -pch-through-header=%S/variables.h -verify %s 12 13 // Enabling MS extensions should allow us to add BAR definitions. 14 // RUN: %clang_cc1 -DMSEXT -fms-extensions -DFOO %S/variables.h -emit-pch -o %t1.pch 15 // RUN: %clang_cc1 -DMSEXT -fms-extensions -include-pch %t1.pch -DBAR=int -pch-through-header=%S/variables.h -verify %s 16 17 #include "variables.h" 18 19 BAR bar = 17; 20 #ifndef MSEXT 21 // expected-error@-2 {{unknown type name 'BAR'}} 22 #endif 23 24 #ifndef FOO 25 # error FOO was not defined 26 #endif 27 28 #if FOO != 1 29 # error FOO has the wrong definition 30 #endif 31 32 #if defined(MSEXT) && !defined(BAR) 33 # error BAR was not defined 34 #endif 35 36 // CHECK-FOO: definition of macro 'FOO' differs between the precompiled header ('1') and the command line ('blah') 37 // CHECK-NOFOO: macro 'FOO' was defined in the precompiled header but undef'd on the command line 38 39 // expected-warning@1 {{definition of macro 'BAR' does not match definition in precompiled header}} 40