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annotate gcc/testsuite/gcc.dg/cpp/builtin-macro-1.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Origin PR preprocessor/64803
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2
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3 This test ensures that the value the __LINE__ macro expands to is
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4 constant and corresponds to the line of the macro expansion point
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5 the function-like macro expansion it's part of.
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6
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7 { dg-do run }
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8 { do-options -no-integrated-cpp } */
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9
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10 #include <assert.h>
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11
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12 #define C(a, b) a ## b
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13 #define L(x) C(L, x)
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14 #define M(a) int L(__LINE__) = __LINE__; assert(L(__LINE__) == __LINE__);
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15
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16 int
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17 main()
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18 {
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19 M(a
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20 );
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21
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22 assert(L19 == 19); /* 19 is the line number of the
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23 macro expansion point of the
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24 invocation of the M macro. Please
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25 adjust in case the layout of this
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26 file changes. */
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27 return 0;
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28 }