cmd/compile: emit definition of 'any' only if generic enabled

CL 364377 emitted definition of 'any' when compiling runtime. But 'any'
is only available when generic enabled. Thus emitting its definition
unconditionally causes the compiler crashes.

Updates #49619

Change-Id: I0888ca1cbc7a7df300310a99a344f170636333f2
Reviewed-on: https://go-review.googlesource.com/c/go/+/364614
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>

diff --git a/src/cmd/compile/internal/reflectdata/reflect.go b/src/cmd/compile/internal/reflectdata/reflect.go
index e22fabb4108a81d9ad32b84bdae0a7dfcf0d6868..f35baabbf9c3d52a52b71579eb99106686573b83 100644 (file)
--- a/src/cmd/compile/internal/reflectdata/reflect.go
+++ b/src/cmd/compile/internal/reflectdata/reflect.go
@@ -1384,7 +1384,9 @@ func WriteBasicTypes() {
                }
                writeType(types.NewPtr(types.Types[types.TSTRING]))
                writeType(types.NewPtr(types.Types[types.TUNSAFEPTR]))
-               writeType(types.AnyType)
+               if base.Flag.G > 0 {
+                       writeType(types.AnyType)
+               }
 
                // emit type structs for error and func(error) string.
                // The latter is the type of an auto-generated wrapper.

diff --git a/test/fixedbugs/issue49619.go b/test/fixedbugs/issue49619.go
index c9f3cbc4ad38de09ca08df53ab2a78a2a725d169..f34dfac1920c5f7c936dd9c141ec134502851932 100644 (file)
--- a/test/fixedbugs/issue49619.go
+++ b/test/fixedbugs/issue49619.go
@@ -1,4 +1,4 @@
-// build
+// build -gcflags=-G=3
 
 // Copyright 2021 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style