shithub: mc

Info  •  Files  •  Log  •  Branches

Add zeroed env pointer when a const fn is passed as an argument.

This makes it safe to fndup a global function which makes it safe to spawn a global function.

--- a/6/simp.c

+++ b/6/simp.c

@@ -298,7 +298,7 @@

 Node *

 loadvar(Simp *s, Node *n, Node *dst)

 {

-	Node *p, *f, *r;

+	Node *p, *f, *r, *e;

 	if (isconstfn(n)) {

 		if (dst)

@@ -308,6 +308,9 @@

 		f = getcode(s, n);

 		p = addr(s, r, exprtype(n));

 		assignat(s, p, Ptrsz, f);

+		e = mkintlit(n->loc, 0);

+		e->expr.type = tyintptr;

+		assignat(s, p, 0, e);

 	} else {

 		r = n;

 	}