ref: f40eebe22cd78f1256af2ea86fe9f64a4d74f00e
parent: dfda6fe8550bbdbf1176c76cdbc943cc5a6dec86
author: Roberto E. Vargas Caballero <[email protected]>
date: Sat Sep 26 18:06:52 EDT 2015
Mark as used parameters in macro invocations If we don't mark them as used then any non used parameter of a macro will generate a warning in every invocation of the macro.
--- a/cc1/cpp.c
+++ b/cc1/cpp.c
@@ -67,6 +67,8 @@
if (yylen + 1 > arglen)
error("argument overflow invoking macro \"%s\"",macroname);
+ if (yytoken == IDEN)
+ yylval.sym->flags |= ISUSED;
memcpy(argp, yytext, yylen);
argp += yylen;
*argp++ = ' ';