diff options
| author | Russ Cox <rsc@golang.org> | 2009-07-06 23:42:57 -0700 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2009-07-06 23:42:57 -0700 |
| commit | 84fcade90acd893ef30b1353d73d84584fcd5bb8 (patch) | |
| tree | 291df7b3c11db466dd45cb82f1f45b905700f555 | |
| parent | 50501ef24e74e190e9c48646050205d02e2903dd (diff) | |
| download | golang-84fcade90acd893ef30b1353d73d84584fcd5bb8.tar.gz | |
insert ODCL in type switch case.
needed for heap allocation if variable escapes.
package main
func main(){
var i interface{} = 42;
switch v := i.(type) {
case int:
println(&v, v);
}
}
R=ken
OCL=31245
CL=31245
| -rw-r--r-- | src/cmd/gc/swt.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/cmd/gc/swt.c b/src/cmd/gc/swt.c index 6ea8c9628..4347eeac9 100644 --- a/src/cmd/gc/swt.c +++ b/src/cmd/gc/swt.c @@ -680,9 +680,11 @@ static Node* boolname; Node* typeone(Node *t) { - Node *a, *b; + Node *a, *b, *dcl; a = t->left->left; // var + dcl = nod(ODCL, a, N); + a = nod(OLIST, a, boolname); // var,bool b = nod(ODOTTYPE, facename, N); @@ -693,7 +695,7 @@ typeone(Node *t) b = nod(OIF, N, N); b->ntest = boolname; b->nbody = t->right; // if bool { goto l } - return list(a, b); + return list(list(dcl, a), b); } Node* |