cmd/compile: move Issue 16214 test, delete asm_test file

Move the Issue16214 test in the fixedbugs_test.go file, and delete the
now empty asm_test.go file.

Change-Id: I2a0c72bd36f0359b7baf75b5d1ba647cc84feb46
Reviewed-on: https://go-review.googlesource.com/106836
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Giovanni Bajo <rasky@develer.com>

src/cmd/compile/internal/gc/asm_test.go

-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package gc
-
-import (
-	"internal/testenv"
-	"io/ioutil"
-	"os"
-	"os/exec"
-	"path/filepath"
-	"strings"
-	"testing"
-)
-
-// TestLineNumber checks to make sure the generated assembly has line numbers
-// see issue #16214
-func TestLineNumber(t *testing.T) {
-	testenv.MustHaveGoBuild(t)
-	dir, err := ioutil.TempDir("", "TestLineNumber")
-	if err != nil {
-		t.Fatalf("could not create directory: %v", err)
-	}
-	defer os.RemoveAll(dir)
-
-	src := filepath.Join(dir, "x.go")
-	err = ioutil.WriteFile(src, []byte(issue16214src), 0644)
-	if err != nil {
-		t.Fatalf("could not write file: %v", err)
-	}
-
-	cmd := exec.Command(testenv.GoToolPath(t), "tool", "compile", "-S", "-o", filepath.Join(dir, "out.o"), src)
-	out, err := cmd.CombinedOutput()
-	if err != nil {
-		t.Fatalf("fail to run go tool compile: %v", err)
-	}
-
-	if strings.Contains(string(out), "unknown line number") {
-		t.Errorf("line number missing in assembly:\n%s", out)
-	}
-}
-
-var issue16214src = `
-package main
-
-func Mod32(x uint32) uint32 {
-	return x % 3 // frontend rewrites it as HMUL with 2863311531, the LITERAL node has unknown Pos
-}
-`

src/cmd/compile/internal/gc/fixedbugs_test.go

@@ -4,7 +4,15 @@
 
 package gc
 
-import "testing"
+import (
+	"internal/testenv"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"testing"
+)
 
 type T struct {
 	x [2]int64 // field that will be clobbered. Also makes type not SSAable.
@@ -48,3 +56,37 @@ func TestIssue15854b(t *testing.T) {
 		}
 	}
 }
+
+// Test that the generated assembly has line numbers (Issue #16214).
+func TestIssue16214(t *testing.T) {
+	testenv.MustHaveGoBuild(t)
+	dir, err := ioutil.TempDir("", "TestLineNumber")
+	if err != nil {
+		t.Fatalf("could not create directory: %v", err)
+	}
+	defer os.RemoveAll(dir)
+
+	src := filepath.Join(dir, "x.go")
+	err = ioutil.WriteFile(src, []byte(issue16214src), 0644)
+	if err != nil {
+		t.Fatalf("could not write file: %v", err)
+	}
+
+	cmd := exec.Command(testenv.GoToolPath(t), "tool", "compile", "-S", "-o", filepath.Join(dir, "out.o"), src)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		t.Fatalf("fail to run go tool compile: %v", err)
+	}
+
+	if strings.Contains(string(out), "unknown line number") {
+		t.Errorf("line number missing in assembly:\n%s", out)
+	}
+}
+
+var issue16214src = `
+package main
+
+func Mod32(x uint32) uint32 {
+	return x % 3 // frontend rewrites it as HMUL with 2863311531, the LITERAL node has unknown Pos
+}
+`