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-rw-r--r--util/romcc/romcc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/util/romcc/romcc.c b/util/romcc/romcc.c
index d60a9a7f83..2a158e5fe0 100644
--- a/util/romcc/romcc.c
+++ b/util/romcc/romcc.c
@@ -20944,7 +20944,8 @@ static void scc_visit_phi(struct compile_state *state, struct scc_state *scc,
}
}
/* meet(const, const) = const or lattice low */
- else if (!constants_equal(state, lnode->val, tmp->val)) {
+ else if (lnode->val != 0 &&
+ !constants_equal(state, lnode->val, tmp->val)) {
lnode->val = 0;
}