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6g: fix uint64(uintptr(unsafe.Pointer(&x)))

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Fixes #1417.

R=ken2
CC=golang-dev
https://golang.org/cl/4079042
This commit is contained in:
Russ Cox 2011-01-20 12:50:35 -05:00
parent 8b8cd0e4c4
commit 50fe459ce2
2 changed files with 22 additions and 3 deletions
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3
src/cmd/6g/cgen.c
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@ -431,9 +431,6 @@ agen(Node *n, Node *res)
if(n == N || n->type == T)
return;
if(!isptr[res->type->etype] && res->type->etype != TUINTPTR)
fatal("agen: not tptr: %T", res->type);
while(n->op == OCONVNOP)
n = n->left;

22
test/fixedbugs/bug319.go Normal file
View File

@ -0,0 +1,22 @@
// $G $D/$F.go
// Copyright 2011 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
import "unsafe"
func main() {
var x int
a := uint64(uintptr(unsafe.Pointer(&x)))
b := uint32(uintptr(unsafe.Pointer(&x)))
c := uint16(uintptr(unsafe.Pointer(&x)))
d := int64(uintptr(unsafe.Pointer(&x)))
e := int32(uintptr(unsafe.Pointer(&x)))
f := int16(uintptr(unsafe.Pointer(&x)))
_, _, _, _, _, _ = a, b, c, d, e, f
}