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reflect: fix methodValueCall code pointer mismatch in Value.Pointer

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This is the port of CL 356809 for Value.Pointer to fix the mismatch of
methodValueCall code pointer.

Change-Id: I080ac41b94b44d878cd5896207a76a28c57fd48b
Reviewed-on: https://go-review.googlesource.com/c/go/+/356950
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This commit is contained in:
Cuong Manh Le 2021-10-20 00:16:23 +07:00
parent d7149e502d
commit 07e5527249
2 changed files with 6 additions and 4 deletions
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7
src/reflect/all_test.go
View File

@ -7724,9 +7724,12 @@ func TestNotInHeapDeref(t *testing.T) {
}
func TestMethodCallValueCodePtr(t *testing.T) {
p := ValueOf(Point{}).Method(1).UnsafePointer()
m := ValueOf(Point{}).Method(1)
want := MethodValueCallCodePtr()
if got := uintptr(p); got != want {
if got := uintptr(m.UnsafePointer()); got != want {
t.Errorf("methodValueCall code pointer mismatched, want: %v, got: %v", want, got)
}
if got := m.Pointer(); got != want {
t.Errorf("methodValueCall code pointer mismatched, want: %v, got: %v", want, got)
}
}

3
src/reflect/value.go
View File

@ -1957,8 +1957,7 @@ func (v Value) Pointer() uintptr {
// created via reflect have the same underlying code pointer,
// so their Pointers are equal. The function used here must
// match the one used in makeMethodValue.
f := methodValueCall
return **(**uintptr)(unsafe.Pointer(&f))
return methodValueCallCodePtr()
}
p := v.pointer()
// Non-nil func value points at data block.