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-rw-r--r--common/nextpnr.cc2
-rw-r--r--common/router1.cc2
2 files changed, 3 insertions, 1 deletions
diff --git a/common/nextpnr.cc b/common/nextpnr.cc
index 2c50c9a1..cf1b5982 100644
--- a/common/nextpnr.cc
+++ b/common/nextpnr.cc
@@ -91,6 +91,8 @@ WireId Context::getNetinfoSinkWire(NetInfo *net_info, int user_idx) const
delay_t Context::getNetinfoRouteDelay(NetInfo *net_info, int user_idx) const
{
WireId src_wire = getNetinfoSourceWire(net_info);
+ if (src_wire == WireId())
+ return 0;
WireId cursor = getNetinfoSinkWire(net_info, user_idx);
delay_t delay = 0;
diff --git a/common/router1.cc b/common/router1.cc
index 8a05236f..4ef7df64 100644
--- a/common/router1.cc
+++ b/common/router1.cc
@@ -216,7 +216,7 @@ struct Router
next_qw.pip = pip;
next_qw.delay = next_delay;
next_qw.togo = ctx->estimateDelay(next_wire, dst_wire);
- qw.randtag = ctx->rng();
+ next_qw.randtag = ctx->rng();
visited[next_qw.wire] = next_qw;
queue.push(next_qw);