(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
cpp/
warn-redefined.c
       1  // { dg-do preprocess }
       2  // { dg-options "-std=gnu99 -fdiagnostics-show-option -Wbuiltin-macro-redefined" }
       3  
       4  #ifndef __TIME__
       5  #error "__TIME__ builtin is not defined"
       6  // { dg-bogus "__TIME__ builtin is not defined" "no-time" { target *-*-* } .-1 }
       7  #endif
       8  
       9  #define __TIME__ "X"  // { dg-warning "-:\"__TIME__\" redefined .-Wbuiltin-macro-redefined." }
      10  
      11  #define __TIME__ "Y"  // { dg-bogus "-Wbuiltin-macro-redefined" }
      12                        // { dg-warning "-:\"__TIME__\" redefined" "not-builtin-1" { target *-*-* } .-1 }
      13                        // { dg-message "-:previous definition" "previous-1" { target *-*-* } 9 }
      14  
      15  #define X "X"
      16  #define X "Y"         // { dg-bogus "-Wbuiltin-macro-redefined" }
      17                        // { dg-warning "-:\"X\" redefined" "not-builtin-2" { target *-*-* } .-1 }
      18                        // { dg-message "-:previous definition" "previous-2" { target *-*-* } 15 }