From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Thu, 17 Apr 2014 23:13:39 +0000 (+0000)
Subject: gofrontend: avoid use of unsafe.Sizeof extension
X-Git-Tag: releases/gcc-5.1.0~8044
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e315e8a5b9386a91adf31910760da6cc1b9ca487;p=thirdparty%2Fgcc.git

gofrontend: avoid use of unsafe.Sizeof extension

Avoid the use of a gccgo language extension which allows unsafe.Sizeof
to accept a type by passing an expression of the relevant type.

From-SVN: r209503
---

diff --git a/libgo/go/syscall/libcall_posix.go b/libgo/go/syscall/libcall_posix.go
index 8f5b02075836..b9c2d7f9b000 100644
--- a/libgo/go/syscall/libcall_posix.go
+++ b/libgo/go/syscall/libcall_posix.go
@@ -138,7 +138,7 @@ func (w WaitStatus) TrapCause() int
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
 //select(nfd _C_int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) _C_int
 
-const nfdbits = int(unsafe.Sizeof(fds_bits_type) * 8)
+const nfdbits = int(unsafe.Sizeof(fds_bits_type(0)) * 8)
 
 type FdSet struct {
 	Bits [(FD_SETSIZE + nfdbits - 1) / nfdbits]fds_bits_type