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/* e_23_3.c: ## operator shall not occur at the beginning or at the end of
replacement list for either form of macro definition. */
/* { dg-do preprocess } */
/* 23.3: In object-like macro. */
#define con ## name /* { dg-error "'##' cannot appear at either end of a macro expansion| `##' at start of macro definition| No token before ##" } */
#define cat 12 ## /* { dg-error "'##' cannot appear at either end of a macro expansion| No token after ##" } */
/* 23.4: In function-like macro. */
#define CON( a, b) ## a ## b /* { dg-error "'##' cannot appear at either end of a macro expansion| `##' at start of macro definition| No token before ##" } */
#define CAT( b, c) b ## c ## /* { dg-error "'##' cannot appear at either end of a macro expansion| No token after ##" } */
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