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view gcc/testsuite/gcc.dg/cpp/warn-redefined-2.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 84e7813d76e9
children
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// { dg-do preprocess }
// { dg-options "-std=gnu99 -fdiagnostics-show-option -Werror=builtin-macro-redefined" }
/* { dg-message "some warnings being treated as errors" "" {target "*-*-*"} 0 } */
#ifndef __TIME__
#error "__TIME__ builtin is not defined"
// { dg-bogus "__TIME__ builtin is not defined" "no-time" { target *-*-* } .-1 }
#endif

#define __TIME__ "X"  // { dg-error "-:\"__TIME__\" redefined .-Werror=builtin-macro-redefined." }

#define __TIME__ "Y"  // { dg-bogus "-Wbuiltin-macro-redefined" }
                      // { dg-warning "-:\"__TIME__\" redefined" "not-builtin-1" { target *-*-* } .-1 }
                      // { dg-message "-:previous definition" "previous-1" { target *-*-* } 9 }

#define X "X"
#define X "Y"         // { dg-bogus "-Wbuiltin-macro-redefined" }
                      // { dg-warning "-:\"X\" redefined" "not-builtin-2" { target *-*-* } .-1 }
                      // { dg-message "-:previous definition" "previous-2" { target *-*-* } 15 }