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111
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1 /* Copyright (C) 2001, 2003 Free Software Foundation, Inc. */
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2
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3 /* { dg-do preprocess } */
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4 /* { dg-options "-ansi" } */
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5
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6 /* This tests that we avoid accidental pasting only before and after
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7 macros and arguments, and not when the tokens are already pasted
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8 in the souce file (e.g. "::" in a C source file).
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9
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10 Neil Booth, 28 Jan 2001. */
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11
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12 #define f(x) x
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13 #define g
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14 #define tricky 1.0e ## -1
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15
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16 /* This should preprocess as
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17
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18 :: : : : : :^: 1.0e- 1
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19 : : : .. . 0 0 .
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20
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21 It relies on the fact that even when preprocessing C we bother to separate
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22 the colons of C++'s :: operator. If we confine this behavior to C++
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23 in future, this test needs to change. */
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24
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25 :: :g: :f(): :f(^): tricky
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26 :f(:): .. .__INCLUDE_LEVEL__ __INCLUDE_LEVEL__. /* Check builtins, too. */
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27
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28 /* { dg-final { scan-file avoidpaste1.i ":: : : : : :\\^: 1.0e- 1" } }
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29 { dg-final { scan-file avoidpaste1.i ": : : \\\.\\\. \\\. 0 0 \\\." } } */
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