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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [builtin-redefine.c] - Rev 301
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/* Test -Wno-builtin-macro-redefined warnings. */ /* { dg-do compile } */ /* { dg-options "-Wno-builtin-macro-redefined -U__DATE__ -D__TIME__=X" } */ /* Check date, time, and datestamp built-ins warnings may be suppressed. */ #if defined(__DATE__) #error "__DATE__ is defined, but should not be (-U command line error)" /* { dg-bogus "__DATE__ is defined" "" { target *-*-* } 9 } */ #endif #if __TIME__ != X #error "__TIME__ is not defined as expected (-D command line error)" /* { dg-bogus "__TIME__ is not defined" "" { target *-*-* } 14 } */ #endif #if !defined(__TIMESTAMP__) #error "__TIMESTAMP__ is not defined (built-in macro expectation error)" /* { dg-bogus "__TIMESTAMP__ is not defined" "" { target *-*-* } 19 } */ #endif #undef __TIME__ /* Undefine while defined. */ #undef __TIME__ /* Undefine while already undefined. */ #define __TIME__ "X" /* Define while undefined. */ #define __TIME__ "X" /* Re-define while defined. */ #define __TIME__ "Y" /* { dg-warning "\"__TIME__\" redefined" } */ /* { dg-message "previous definition" "" { target *-*-* } 28 } */ #undef __TIME__ /* Undefine while defined. */ #undef __DATE__ /* Undefine while already undefined. */ #define __DATE__ "X" /* Define while undefined. */ #define __DATE__ "X" /* Re-define while defined. */ #define __DATE__ "Y" /* { dg-warning "\"__DATE__\" redefined" } */ /* { dg-message "previous definition" "" { target *-*-* } 39 } */ #undef __DATE__ /* Undefine while defined. */ #define __TIMESTAMP__ "X" /* Define while already defined. */ #define __TIMESTAMP__ "X" /* Re-define while defined. */ #define __TIMESTAMP__ "Y" /* { dg-warning "\"__TIMESTAMP__\" redefined" } */ /* { dg-message "previous definition" "" { target *-*-* } 48 } */ #undef __TIMESTAMP__ /* Undefine while defined. */ /* Check other built-ins with warnings that may be suppressed. */ #if !defined(__FILE__) || !defined(__BASE_FILE__) #error "Expected built-in is not defined (built-in macro expectation error)" /* { dg-bogus "Expected built-in is not defined" "" { target *-*-* } 59 } */ #endif #define __FILE__ "X" /* Define while already defined. */ #define __BASE_FILE__ "X" /* Define while already defined. */ /* Check selected built-ins not affected by warning suppression. */ #if !defined(__LINE__) || !defined(__INCLUDE_LEVEL__) || !defined(__COUNTER__) #error "Expected built-in is not defined (built-in macro expectation error)" /* { dg-bogus "Expected built-in is not defined" "" { target *-*-* } 70 } */ #endif #define __LINE__ 0 /* { dg-warning "\"__LINE__\" redef" } */ #define __INCLUDE_LEVEL__ 0 /* { dg-warning "\"__INCLUDE_LEVEL__\" redef" } */ #define __COUNTER__ 0 /* { dg-warning "\"__COUNTER__\" redef" } */ int unused; /* Silence `ISO C forbids an empty translation unit' warning. */
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