111
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1 # 1 "defined-syshdr.c" 1
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2 /* { dg-do preprocess } */
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3 /* { dg-options "-Wexpansion-to-defined" } */
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4
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5 #define defined_outside_sys_hdr defined FOO
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6
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7 # 36 "some-system-header.h" 1 3
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8
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9 #define defined_inside_sys_hdr defined FOO
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10
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11 /* In a system header, it's acceptable. */
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12 #if defined_outside_sys_hdr /* { dg-bogus "may not be portable" } */
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13 #endif
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14
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15 # 16 "defined-syshdr.c" 2
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16
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17 /* Back to _not_ in a system header */
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18
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19 #if defined_outside_sys_hdr /* { dg-message "may not be portable" } */
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20 #endif
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21
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22 /* Currently we warn about this, but it is probably a good idea not to. */
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23
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24 #if defined_inside_sys_hdr /* { dg-bogus "may not be portable" "" { xfail *-*-* } } */
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25 #endif
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26
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27 int x;
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