| /* Test spelling differences in UCNs are properly diagnosed for macro |
| redefinitions. */ |
| /* { dg-do preprocess } */ |
| /* { dg-options "-std=c99 -pedantic-errors" } */ |
| |
| /* Different spelling of UCN in expansion. */ |
| #define m1 \u00c1 /* { dg-message "-:previous definition" } */ |
| #define m1 Á /* { dg-error "-:redefined" } */ |
| |
| #define m1ok Á |
| #define m1ok Á |
| |
| /* Different spelling of UCN in argument name. */ |
| #define m2(\u00c1) /* { dg-message "-:previous definition" } */ |
| #define m2(Á) /* { dg-error "-:redefined" } */ |
| |
| #define m2ok(Á) |
| #define m2ok(Á) |
| |
| /* Same spelling in argument name but different spelling when used in |
| expansion. */ |
| #define m3(\u00c1) \u00c1 /* { dg-message "-:previous definition" } */ |
| #define m3(\u00c1) Á /* { dg-error "-:redefined" } */ |
| |
| #define m3ok(\u00c1) Á |
| #define m3ok(\u00c1) Á |
| |
| /* Different spelling of the macro name itself is OK. */ |
| #define m4ok\u00c1 |
| #define m4okÁ |
