go.tools/go/pointer: fix crash in constraint generation of ssa.Convert to a named unsafe.Pointer type.
+ test.
Fixes golang/go#8231.
LGTM=gri
R=gri
CC=golang-codereviews
https://golang.org/cl/106060046
diff --git a/go/pointer/gen.go b/go/pointer/gen.go
index 65988fb..8643545 100644
--- a/go/pointer/gen.go
+++ b/go/pointer/gen.go
@@ -434,7 +434,7 @@
case *types.Pointer:
// *T -> unsafe.Pointer?
- if tDst == tUnsafePtr {
+ if tDst.Underlying() == tUnsafePtr {
// ignore for now
// a.copy(res, a.valueNode(conv.X), 1)
return