bison-1.875-1 generates code incompatible with g++

[Max Bowsher]

(Ran into this when building setup)

bison 1.875 produces this code fragment:

| yyerrlab1:
|
|   /* Suppress GCC warning that yyerrlab1 is unused when no action
|      invokes YYERROR.  */
| #if defined (__GNUC_MINOR__) && 2093 <= (__GNUC__ * 1000 + __GNUC_MINOR__)
|   __attribute__ ((__unused__))
| #endif

which compiles with gcc, but g++ doesn't accept attributes on labels.

This seems to be a g++ bug.

Comments?


Max.


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