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/* 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 \u00C1 /* { dg-error "-:redefined" } */
#define m1ok \u00c1
#define m1ok \u00c1
/* Different spelling of UCN in argument name. */
#define m2(\u00c1) /* { dg-message "-:previous definition" } */
#define m2(\u00C1) /* { dg-error "-:redefined" } */
#define m2ok(\u00c1)
#define m2ok(\u00c1)
/* Same spelling in argument name but different spelling when used in
expansion. */
#define m3(\u00c1) \u00c1 /* { dg-message "-:previous definition" } */
#define m3(\u00c1) \u00C1 /* { dg-error "-:redefined" } */
#define m3ok(\u00c1) \u00C1
#define m3ok(\u00c1) \u00C1
/* Different spelling of the macro name itself is OK. */
#define m4ok\u00c1
#define m4ok\u00C1
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