From: Rob Pike <r@golang.org>
Date: Mon, 18 Jul 2011 01:34:13 +0000 (+1000)
Subject: reflect: panic if Method index is out of range for a type.
X-Git-Tag: weekly.2011-07-19~37
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=50d90451ff9eb9fc74b52cbf02518164d57f93ed;p=gostls13.git

reflect: panic if Method index is out of range for a type.
Makes the code agree with the documentation.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4759050
---

diff --git a/src/pkg/reflect/type.go b/src/pkg/reflect/type.go
index 76a65effcd..28d94eb408 100644
--- a/src/pkg/reflect/type.go
+++ b/src/pkg/reflect/type.go
@@ -446,7 +446,7 @@ func (t *commonType) common() *commonType { return t }
 
 func (t *uncommonType) Method(i int) (m Method) {
 	if t == nil || i < 0 || i >= len(t.methods) {
-		return
+		panic("reflect: Method index out of range")
 	}
 	p := &t.methods[i]
 	if p.name != nil {
@@ -904,7 +904,7 @@ func toCommonType(p *runtime.Type) *commonType {
 	}
 	x := unsafe.Pointer(p)
 	if uintptr(x)&reflectFlags != 0 {
-		panic("invalid interface value")
+		panic("reflect: invalid interface value")
 	}
 	return &(*hdr)(x).t
 }