reflect: enable allocation tests

    
    They were disabled due to the lack of escape analysis. Now that
    we have escape analysis, unskip these tests.
    
    Reviewed-on: https://go-review.googlesource.com/86248

From-SVN: r257324

gcc/go/gofrontend/MERGE

-5e8a91bf239c253d7b5c84bd2c1dd3ecb18980e9
+b332ba2f0d0302eeb01a228c217928296cec56f6
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.

libgo/go/reflect/all_test.go

@@ -6162,9 +6162,6 @@ func TestPtrToMethods(t *testing.T) {
 }
 
 func TestMapAlloc(t *testing.T) {
-	if runtime.Compiler == "gccgo" {
-		t.Skip("skipping on gccgo until we have escape analysis")
-	}
 	m := ValueOf(make(map[int]int, 10))
 	k := ValueOf(5)
 	v := ValueOf(7)
@@ -6195,9 +6192,6 @@ func TestMapAlloc(t *testing.T) {
 }
 
 func TestChanAlloc(t *testing.T) {
-	if runtime.Compiler == "gccgo" {
-		t.Skip("skipping on gccgo until we have escape analysis")
-	}
 	// Note: for a chan int, the return Value must be allocated, so we
 	// use a chan *int instead.
 	c := ValueOf(make(chan *int, 1))