7127924: langtools regression tests sometimes fail en-masse on windows

Reviewed-by: jjg

test/tools/javac/diags/CheckExamples.java

@@ -23,10 +23,13 @@
 
 /*
  * @test
- * @bug 6968063
+ * @bug 6968063, 7127924
  * @summary provide examples of code that generate diagnostics
  * @build Example CheckExamples
- * @run main CheckExamples
+ * @run main/othervm CheckExamples
+ */
+/*
+ *      See CR 7127924 for info on why othervm is used.
  */
 
 import java.io.*;

test/tools/javac/diags/MessageInfo.java

@@ -23,10 +23,13 @@
 
 /**
  * @test
- * @bug 7013272
+ * @bug 7013272, 7127924
  * @summary Automatically generate info about how compiler resource keys are used
  * @build Example ArgTypeCompilerFactory MessageFile MessageInfo
- * @run main MessageInfo
+ * @run main/othervm MessageInfo
+ */
+/*
+ *      See CR 7127924 for info on why othervm is used.
  */
 
 import java.io.*;

test/tools/javac/diags/RunExamples.java

@@ -23,10 +23,13 @@
 
 /**
  * @test
- * @bug 6968063
+ * @bug 6968063, 7127924
  * @summary provide examples of code that generate diagnostics
  * @build ArgTypeCompilerFactory Example HTMLWriter RunExamples
- * @run main RunExamples
+ * @run main/othervm RunExamples
+ */
+/*
+ *      See CR 7127924 for info on why othervm is used.
  */
 
 import java.io.*;