Revert "Delete app jit or aot snapshots as each test is completed to reduce the amount of disk spac…

tools/testing/dart/compiler_configuration.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library compiler_configuration;
 
 import 'dart:io' show Platform;
 
 import 'runtime_configuration.dart' show RuntimeConfiguration;
 import 'runtime_configuration.dart' show DartPrecompiledAdbRuntimeConfiguration;
@@ skipping 591 matching lines @@
       String tempDir,
       CommandBuilder commandBuilder,
       List arguments,
       Map<String, String> environmentOverrides) {
     var commands = new List<Command>();
     commands.add(this.computeCompilationCommand(tempDir, buildDir, CommandBuilder.instance,
           arguments, environmentOverrides));
     if (!useBlobs) {
       commands.add(this.computeAssembleCommand(tempDir, buildDir, CommandBuilder.instance,
           arguments, environmentOverrides));
-      // This step reduces the amount of space needed to run the precompilation
-      // tests by 60%.
-      commands.add(commandBuilder.getDeleteCommand("$tempDir/out.S"));
+      commands.add(this.computeRemoveAssemblyCommand(tempDir, buildDir,
+          CommandBuilder.instance, arguments, environmentOverrides));
     }
     return new CommandArtifact(commands, '$tempDir', 'application/dart-precompiled');
   }
 
   CompilationCommand computeCompilationCommand(
       String tempDir,
       String buildDir,
       CommandBuilder commandBuilder,
       List arguments,
       Map<String, String> environmentOverrides) {
@@ skipping 66 matching lines @@
     args.addAll([
       '-o',
       '$tempDir/out.aotsnapshot',
       '$tempDir/out.S'
     ]);
 
     return commandBuilder.getCompilationCommand('assemble', tempDir, !useSdk,
         bootstrapDependencies(buildDir), exec, args, environmentOverrides);
   }
 
+  // This step reduces the amount of space needed to run the precompilation
+  // tests by 60%.
+  CompilationCommand computeRemoveAssemblyCommand(
+      String tempDir,
+      String buildDir,
+      CommandBuilder commandBuilder,
+      List arguments,
+      Map<String, String> environmentOverrides) {
+    var exec = 'rm';
+    var args = ['$tempDir/out.S'];
+
+    return commandBuilder.getCompilationCommand(
+        'remove_assembly',
+        tempDir,
+        !useSdk,
+        bootstrapDependencies(buildDir),
+        exec,
+        args,
+        environmentOverrides);
+  }
+
   List<String> filterVmOptions(List<String> vmOptions) {
     var filtered = new List.from(vmOptions);
     filtered.removeWhere(
         (option) => option.startsWith("--optimization-counter-threshold"));
     filtered.removeWhere(
         (option) => option.startsWith("--optimization_counter_threshold"));
     return filtered;
   }
 
   List<String> computeCompilerArguments(
@@ skipping 183 matching lines @@
       RuntimeConfiguration runtimeConfiguration,
       String buildDir,
       TestInformation info,
       List<String> vmOptions,
       List<String> sharedOptions,
       List<String> originalArguments,
       CommandArtifact artifact) {
     return <String>[];
   }
 }