eval: fix errata in EGETF addr case

The symref given by staticaddrof is in ex2, not sub. This worked by
chance (with sub->ssym.off happening to be zero) on linux, but on
OpenBSD it would give garbage. Which would result in messed up relocations
later leading to miscompilations.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/c_eval.c b/src/c_eval.c
index 927ea05..e2033a3 100644
--- a/src/c_eval.c
+++ b/src/c_eval.c
@@ -201,7 +201,7 @@ unop(Expr *ex, enum evalmode mode)
             } else {
                assert(ex2.t == ESSYMREF);
                ex->t = ESSYMREF;
-               vlong off = (vlong) sub->ssym.off + ex->fld.off;
+               vlong off = (vlong) ex2.ssym.off + ex->fld.off;
                if ((int) off != off) return 0;
                ex->ssym = ex2.ssym;
                ex->ssym.off = off;