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/* { dg-do preprocess } */
/* { dg-additional-options "-fdiagnostics-show-caret -Wunused-macros -Wbuiltin-macro-redefined" } */
/* Verify that we output range information for diagnostics involving
macro definitions. */
#undef __TIME__ /* { dg-warning {undefining '__TIME__'} } */
/* { dg-begin-multiline-output "" }
#undef __TIME__
^~~~~~~~
/* { dg-end-multiline-output "" } */
#define XYZ 123 /* { dg-warning {macro 'XYZ' is not used} } */
/* { dg-begin-multiline-output "" }
#define XYZ 123
^~~
/* { dg-end-multiline-output "" } */
#define MACRO initial_definition /* { dg-line def_line } */
/* This locus is output first for the unused warning... */
/* { dg-warning {macro 'MACRO' is not used} "" { target *-*-* } def_line } */
/* { dg-begin-multiline-output "" }
#define MACRO initial_definition
^~~~~
/* { dg-end-multiline-output "" } */
/* ...then a second time for the redefinition warning. */
/* { dg-note {this is the location of the previous definition} "" { target *-*-* } def_line } */
/* { dg-begin-multiline-output "" }
#define MACRO initial_definition
^~~~~
/* { dg-end-multiline-output "" } */
#define MACRO /* { dg-warning {'MACRO' redefined} } */
/* { dg-begin-multiline-output "" }
#define MACRO
^~~~~
{ dg-end-multiline-output "" } */
#define MACRO2(x,y) x /* { dg-note {macro 'MACRO2' defined here} } */
/* { dg-begin-multiline-output "" }
#define MACRO2(x,y)
^~~~~~
{ dg-end-multiline-output "" } */
MACRO2(MACRO, MACRO)
MACRO2(MACRO) /* { dg-error {macro 'MACRO2' requires 2 arguments, but only 1 given} } */
/* { dg-begin-multiline-output "" }
MACRO2(MACRO)
^
{ dg-end-multiline-output "" } */
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