diff options
| -rw-r--r-- | src/cmd/compile/internal/noder/transform.go | 2 | ||||
| -rw-r--r-- | test/typeparam/issue51522a.go | 42 |
2 files changed, 43 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/noder/transform.go b/src/cmd/compile/internal/noder/transform.go index 208630271d..43fd73fdbc 100644 --- a/src/cmd/compile/internal/noder/transform.go +++ b/src/cmd/compile/internal/noder/transform.go @@ -242,7 +242,7 @@ func transformCompare(n *ir.BinaryExpr) { aop, _ := typecheck.Assignop(rt, lt) if aop != ir.OXXX { types.CalcSize(rt) - if rt.HasTParam() || rt.IsInterface() == lt.IsInterface() || rt.Size() >= 1<<16 { + if rt.HasShape() || rt.IsInterface() == lt.IsInterface() || rt.Size() >= 1<<16 { r = ir.NewConvExpr(base.Pos, aop, lt, r) r.SetTypecheck(1) } diff --git a/test/typeparam/issue51522a.go b/test/typeparam/issue51522a.go new file mode 100644 index 0000000000..3f854080a7 --- /dev/null +++ b/test/typeparam/issue51522a.go @@ -0,0 +1,42 @@ +// run + +// Copyright 2022 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. +package main + + +func f[T comparable](i any) { + var t T + + if i != t { + println("FAIL: if i != t") + } +} + +type myint int + +func (m myint) foo() { +} + +type fooer interface { + foo() +} + +type comparableFoo interface { + comparable + foo() +} + +func g[T comparableFoo](i fooer) { + var t T + + if i != t { + println("FAIL: if i != t") + } +} + +func main() { + f[int](int(0)) + g[myint](myint(0)) +} |