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150
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1 // Test -D and -U interaction with a PCH when -fms-extensions is enabled.
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2
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3 // RUN: %clang_cc1 -DFOO %S/variables.h -emit-pch -o %t1.pch
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4
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5 // RUN: not %clang_cc1 -DFOO=blah -DBAR=int -include-pch %t1.pch -pch-through-header=%S/variables.h %s 2> %t.err
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6 // RUN: FileCheck -check-prefix=CHECK-FOO %s < %t.err
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7
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8 // RUN: not %clang_cc1 -UFOO -DBAR=int -include-pch %t1.pch %s -pch-through-header=%S/variables.h 2> %t.err
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9 // RUN: FileCheck -check-prefix=CHECK-NOFOO %s < %t.err
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10
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11 // RUN: %clang_cc1 -include-pch %t1.pch -DBAR=int -pch-through-header=%S/variables.h -verify %s
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12
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13 // Enabling MS extensions should allow us to add BAR definitions.
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14 // RUN: %clang_cc1 -DMSEXT -fms-extensions -DFOO %S/variables.h -emit-pch -o %t1.pch
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15 // RUN: %clang_cc1 -DMSEXT -fms-extensions -include-pch %t1.pch -DBAR=int -pch-through-header=%S/variables.h -verify %s
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16
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17 #include "variables.h"
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18
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19 BAR bar = 17;
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20 #ifndef MSEXT
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21 // expected-error@-2 {{unknown type name 'BAR'}}
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22 #endif
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23
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24 #ifndef FOO
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25 # error FOO was not defined
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26 #endif
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27
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28 #if FOO != 1
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29 # error FOO has the wrong definition
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30 #endif
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31
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32 #if defined(MSEXT) && !defined(BAR)
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33 # error BAR was not defined
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34 #endif
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35
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36 // CHECK-FOO: definition of macro 'FOO' differs between the precompiled header ('1') and the command line ('blah')
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37 // CHECK-NOFOO: macro 'FOO' was defined in the precompiled header but undef'd on the command line
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38
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252
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39 // expected-warning@2 {{definition of macro 'BAR' does not match definition in precompiled header}}
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