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-rw-r--r--src/cmd/gc/subr.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/cmd/gc/subr.c b/src/cmd/gc/subr.c
index 56958caff..aa3ecf45e 100644
--- a/src/cmd/gc/subr.c
+++ b/src/cmd/gc/subr.c
@@ -1221,6 +1221,23 @@ isptrdarray(Type *t)
}
int
+isselect(Node *n)
+{
+ Sym *s;
+
+ if(n == N)
+ return 0;
+ n = n->left;
+ s = pkglookup("selectsend", "sys");
+ if(s == n->sym)
+ return 1;
+ s = pkglookup("selectrecv", "sys");
+ if(s == n->sym)
+ return 1;
+ return 0;
+}
+
+int
isinter(Type *t)
{
if(t != T && t->etype == TINTER)