diff options
Diffstat (limited to 'src/cmd/compile/internal/noder/transform.go')
| -rw-r--r-- | src/cmd/compile/internal/noder/transform.go | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/cmd/compile/internal/noder/transform.go b/src/cmd/compile/internal/noder/transform.go index a27f511769..180891b5b5 100644 --- a/src/cmd/compile/internal/noder/transform.go +++ b/src/cmd/compile/internal/noder/transform.go @@ -493,10 +493,15 @@ func transformSelect(sel *ir.SelectStmt) { if ncase.Comm != nil { n := ncase.Comm oselrecv2 := func(dst, recv ir.Node, def bool) { - n := ir.NewAssignListStmt(n.Pos(), ir.OSELRECV2, []ir.Node{dst, ir.BlankNode}, []ir.Node{recv}) - n.Def = def - n.SetTypecheck(1) - ncase.Comm = n + selrecv := ir.NewAssignListStmt(n.Pos(), ir.OSELRECV2, []ir.Node{dst, ir.BlankNode}, []ir.Node{recv}) + if dst.Op() == ir.ONAME && dst.(*ir.Name).Defn == n { + // Must fix Defn for dst, since we are + // completely changing the node. + dst.(*ir.Name).Defn = selrecv + } + selrecv.Def = def + selrecv.SetTypecheck(1) + ncase.Comm = selrecv } switch n.Op() { case ir.OAS: |