Blame cpp-test/test-t/e_29_3.c

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/* e_29_3.c:    #undef errors.  */
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/* { dg-do preprocess } */
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/* 29.3:    Not an identifier.  */
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#undef  "string"    /* { dg-error "macro names must be identifiers| invalid macro name| Not an identifier" } */
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#undef  123         /* { dg-error "macro names must be identifiers| invalid macro name| Not an identifier" } */
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/* 29.4:    Excessive token sequence.   */
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#undef  MACRO_0     Junk    /* { dg-error "extra tokens| garbage after| Excessive token sequence" } */
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/* 29.5:    No argument.    */
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#undef      /* { dg-error "no macro name| invalid macro name| No identifier" } */
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