shithub: scc

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Allow declaration of arrays without size

Such arrays have incomplete type, but if they are initialized
them the type is completed with the information taken from the
initializer.

--- a/cc1/decl.c

+++ b/cc1/decl.c

@@ -728,8 +728,11 @@

 		return sym;

 	/* TODO: Add warning about ANSI limits */

-	if (!tp->defined && sclass != EXTERN && sclass != TYPEDEF)

+	if (!tp->defined                          &&

+	    sclass != EXTERN && sclass != TYPEDEF &&

+	    !(tp->op == ARY && yytoken == '=')) {

 		errorp("declared variable '%s' of incomplete type", name);

+	}

 	if (tp->op != FTN) {

 		sym = install(NS_IDEN, sym);