fix 386 a[i] = cmplx(r, j)

R=ken2
CC=golang-dev
https://golang.org/cl/384043

src/cmd/8g/cgen.c

@@ -92,12 +92,6 @@ cgen(Node *n, Node *res)
 		break;
 	}
 
-	// complex types
-	if(complexop(n, res)) {
-		complexgen(n, res);
-		return;
-	}
-
 	// if both are addressable, move
 	if(n->addable && res->addable) {
 		gmove(n, res);
@@ -123,6 +117,12 @@ cgen(Node *n, Node *res)
 		return;
 	}
 
+	// complex types
+	if(complexop(n, res)) {
+		complexgen(n, res);
+		return;
+	}
+
 	// otherwise, the result is addressable but n is not.
 	// let's do some computation.