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jeremybenn |
/* Test -Wno-builtin-macro-redefined warnings. */
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/* { dg-do compile } */
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/* { dg-options "-Wno-builtin-macro-redefined -U__DATE__ -D__TIME__=X" } */
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/* Check date, time, and datestamp built-ins warnings may be suppressed. */
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#if defined(__DATE__)
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#error "__DATE__ is defined, but should not be (-U command line error)"
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/* { dg-bogus "__DATE__ is defined" "" { target *-*-* } 9 } */
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#endif
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#if __TIME__ != X
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#error "__TIME__ is not defined as expected (-D command line error)"
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/* { dg-bogus "__TIME__ is not defined" "" { target *-*-* } 14 } */
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#endif
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#if !defined(__TIMESTAMP__)
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#error "__TIMESTAMP__ is not defined (built-in macro expectation error)"
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/* { dg-bogus "__TIMESTAMP__ is not defined" "" { target *-*-* } 19 } */
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#endif
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#undef __TIME__ /* Undefine while defined. */
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#undef __TIME__ /* Undefine while already undefined. */
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#define __TIME__ "X" /* Define while undefined. */
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#define __TIME__ "X" /* Re-define while defined. */
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#define __TIME__ "Y" /* { dg-warning "\"__TIME__\" redefined" } */
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/* { dg-message "previous definition" "" { target *-*-* } 28 } */
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#undef __TIME__ /* Undefine while defined. */
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#undef __DATE__ /* Undefine while already undefined. */
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#define __DATE__ "X" /* Define while undefined. */
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#define __DATE__ "X" /* Re-define while defined. */
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#define __DATE__ "Y" /* { dg-warning "\"__DATE__\" redefined" } */
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/* { dg-message "previous definition" "" { target *-*-* } 39 } */
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#undef __DATE__ /* Undefine while defined. */
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#define __TIMESTAMP__ "X" /* Define while already defined. */
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#define __TIMESTAMP__ "X" /* Re-define while defined. */
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#define __TIMESTAMP__ "Y" /* { dg-warning "\"__TIMESTAMP__\" redefined" } */
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/* { dg-message "previous definition" "" { target *-*-* } 48 } */
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#undef __TIMESTAMP__ /* Undefine while defined. */
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/* Check other built-ins with warnings that may be suppressed. */
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#if !defined(__FILE__) || !defined(__BASE_FILE__)
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#error "Expected built-in is not defined (built-in macro expectation error)"
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/* { dg-bogus "Expected built-in is not defined" "" { target *-*-* } 59 } */
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#endif
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#define __FILE__ "X" /* Define while already defined. */
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#define __BASE_FILE__ "X" /* Define while already defined. */
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/* Check selected built-ins not affected by warning suppression. */
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#if !defined(__LINE__) || !defined(__INCLUDE_LEVEL__) || !defined(__COUNTER__)
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#error "Expected built-in is not defined (built-in macro expectation error)"
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/* { dg-bogus "Expected built-in is not defined" "" { target *-*-* } 70 } */
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#endif
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#define __LINE__ 0 /* { dg-warning "\"__LINE__\" redef" } */
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#define __INCLUDE_LEVEL__ 0 /* { dg-warning "\"__INCLUDE_LEVEL__\" redef" } */
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#define __COUNTER__ 0 /* { dg-warning "\"__COUNTER__\" redef" } */
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int unused; /* Silence `ISO C forbids an empty translation unit' warning. */
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