From bf9c778fe22f78925547646e71404773021c2cb9 Mon Sep 17 00:00:00 2001
From: Dmitriy Vyukov <dvyukov@google.com>
Date: Thu, 13 Oct 2011 11:06:55 +0300
Subject: [PATCH] gc: pass FlagNoPointers to runtime.new

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5151043
---
 src/cmd/gc/builtin.c.boot  | 2 +-
 src/cmd/gc/runtime.go      | 2 +-
 src/cmd/gc/walk.c          | 2 +-
 src/pkg/runtime/malloc.goc | 6 ++++--
 4 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/cmd/gc/builtin.c.boot b/src/cmd/gc/builtin.c.boot
index fdfe3dce9a4..745791eb03f 100644
--- a/src/cmd/gc/builtin.c.boot
+++ b/src/cmd/gc/builtin.c.boot
@@ -1,7 +1,7 @@
 char *runtimeimport =
 	"package runtime\n"
 	"import runtime \"runtime\"\n"
-	"func @\"\".new (? int32) *any\n"
+	"func @\"\".new (typ *uint8) *any\n"
 	"func @\"\".panicindex ()\n"
 	"func @\"\".panicslice ()\n"
 	"func @\"\".throwreturn ()\n"
diff --git a/src/cmd/gc/runtime.go b/src/cmd/gc/runtime.go
index 2461af2fc14..d45542b7293 100644
--- a/src/cmd/gc/runtime.go
+++ b/src/cmd/gc/runtime.go
@@ -10,7 +10,7 @@ package PACKAGE
 
 // emitted by compiler, not referred to by go programs
 
-func new(int32) *any
+func new(typ *byte) *any
 func panicindex()
 func panicslice()
 func throwreturn()
diff --git a/src/cmd/gc/walk.c b/src/cmd/gc/walk.c
index f551e3dbc09..8dec4956bc7 100644
--- a/src/cmd/gc/walk.c
+++ b/src/cmd/gc/walk.c
@@ -1686,7 +1686,7 @@ callnew(Type *t)
 	dowidth(t);
 	fn = syslook("new", 1);
 	argtype(fn, t);
-	return mkcall1(fn, ptrto(t), nil, nodintconst(t->width));
+	return mkcall1(fn, ptrto(t), nil, typename(t));
 }
 
 static Node*
diff --git a/src/pkg/runtime/malloc.goc b/src/pkg/runtime/malloc.goc
index a22b0e737d7..b7991d03a56 100644
--- a/src/pkg/runtime/malloc.goc
+++ b/src/pkg/runtime/malloc.goc
@@ -393,8 +393,10 @@ runtime·mal(uintptr n)
 	return runtime·mallocgc(n, 0, 1, 1);
 }
 
-func new(n uint32) (ret *uint8) {
-	ret = runtime·mal(n);
+func new(typ *Type) (ret *uint8) {
+	uint32 flag = typ->kind&KindNoPointers ? FlagNoPointers : 0;
+	ret = runtime·mallocgc(typ->size, flag, 1, 1);
+	FLUSH(&ret);
 }
 
 void*