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gc: fix inlining bug

R=lvd
CC=golang-dev
https://golang.org/cl/5532077
This commit is contained in:
Russ Cox 2012-01-11 17:25:09 -05:00
parent 3fc327b33b
commit 81728cf06d
3 changed files with 17 additions and 5 deletions

View File

@ -290,12 +290,13 @@ inlnode(Node **np)
{
Node *n;
NodeList *l;
int lno;
if(*np == nil)
return;
n = *np;
switch(n->op) {
case ODEFER:
case OPROC:
@ -312,6 +313,8 @@ inlnode(Node **np)
return;
}
lno = setlineno(n);
inlnodelist(n->ninit);
for(l=n->ninit; l; l=l->next)
if(l->n->op == OINLCALL)
@ -431,6 +434,8 @@ inlnode(Node **np)
break;
}
lineno = lno;
}
// if *np is a call, and fn is a function with an inlinable body, substitute *np with an OINLCALL.
@ -495,20 +500,19 @@ mkinlcall(Node **np, Node *fn)
as = N;
if(fn->type->thistuple) {
t = getthisx(fn->type)->type;
if(t != T && t->nname != N && !t->nname->inlvar)
if(t != T && t->nname != N && !isblank(t->nname) && !t->nname->inlvar)
fatal("missing inlvar for %N\n", t->nname);
if(n->left->op == ODOTMETH) {
if (!n->left->left)
fatal("method call without receiver: %+N", n);
if(t != T && t->nname)
if(t != T && t->nname != N && !isblank(t->nname))
as = nod(OAS, t->nname->inlvar, n->left->left);
// else if !ONAME add to init anyway?
} else { // non-method call to method
if (!n->list)
fatal("non-method call to method without first arg: %+N", n);
if(t != T && t->nname)
if(t != T && t->nname != N && !isblank(t->nname))
as = nod(OAS, t->nname->inlvar, n->list->n);
}

View File

@ -13,3 +13,7 @@ func F1(T *T) bool { return T == nil }
// Issue 2682.
func F2(c chan int) bool { return c == (<-chan int)(nil) }
// Call of inlined method with blank receiver.
func (_ *T) M() int { return 1 }
func (t *T) MM() int { return t.M() }

View File

@ -12,5 +12,9 @@ import "./one"
func use() {
one.F1(nil)
one.F2(nil)
var t *one.T
t.M()
t.MM()
}