Giant blob of minor changes

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201105173854-bc9fc8d8c4bc / go / pointer / testdata / rtti.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/go/pointer/testdata/rtti.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/go/pointer/testdata/rtti.go
new file mode 100644 (file)
index 0000000..88e1798
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/go/pointer/testdata/rtti.go
@@ -0,0 +1,29 @@
+package main
+
+// Regression test for guru crash
+// https://code.google.com/p/go/issues/detail?id=6605
+//
+// Using reflection, methods may be called on types that are not the
+// operand of any ssa.MakeInterface instruction.  In this example,
+// (Y).F is called by deriving the type Y from *Y.  Prior to the fix,
+// no RTTI (or method set) for type Y was included in the program, so
+// the F() call would crash.
+
+import "reflect"
+
+var a int
+
+type X struct{}
+
+func (X) F() *int {
+       return &a
+}
+
+type I interface {
+       F() *int
+}
+
+func main() {
+       type Y struct{ X }
+       print(reflect.Indirect(reflect.ValueOf(new(Y))).Interface().(I).F()) // @pointsto main.a
+}