19 lines
970 B
C
19 lines
970 B
C
// { dg-do preprocess }
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// { dg-options "-std=gnu99 -fdiagnostics-show-option -Werror=builtin-macro-redefined" }
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/* { dg-message "some warnings being treated as errors" "" {target "*-*-*"} 0 } */
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#ifndef __TIME__
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#error "__TIME__ builtin is not defined"
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// { dg-bogus "__TIME__ builtin is not defined" "no-time" { target *-*-* } 5 }
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#endif
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#define __TIME__ "X" // { dg-error "\"__TIME__\" redefined .-Werror=builtin-macro-redefined." }
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#define __TIME__ "Y" // { dg-bogus "-Wbuiltin-macro-redefined" }
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// { dg-warning "\"__TIME__\" redefined" "not-builtin-1" { target *-*-* } 11 }
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// { dg-message "previous definition" "previous-1" { target *-*-* } 9 }
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#define X "X"
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#define X "Y" // { dg-bogus "-Wbuiltin-macro-redefined" }
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// { dg-warning "\"X\" redefined" "not-builtin-2" { target *-*-* } 16 }
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// { dg-message "previous definition" "previous-2" { target *-*-* } 15 }
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