fixed test failure on Windows

Author: dougxc

src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCIRuntime.java

@@ -407,7 +407,7 @@ static void parse(CompilerToVM compilerToVm) {
                         msg.format("%nError: A fatal exception has occurred. Program will exit.%n");
                         byte[] msgBytes = msg.toString().getBytes();
                         compilerToVm.writeDebugOutput(msgBytes, 0, msgBytes.length, true, true);
-                        compilerToVm.callSystemExit(-1);
+                        compilerToVm.callSystemExit(1);
                     } else if (value instanceof Option) {
                         Option option = (Option) value;
                         option.init(e.getValue());

test/hotspot/jtreg/compiler/jvmci/TestInvalidJVMCIOption.java

@@ -42,8 +42,16 @@ public static void main(String[] args) throws Exception {
             "-XX:+UseJVMCICompiler",
             "-Djvmci.XXXXXXXXX=true");
         OutputAnalyzer output = new OutputAnalyzer(pb.start());
-        output.shouldMatch("Error parsing JVMCI options: Could not find option jvmci.XXXXXXXXX" + System.lineSeparator() +
-                           "Error: A fatal exception has occurred. Program will exit." + System.lineSeparator());
-        output.shouldHaveExitValue(255);
+        String expectStdout = String.format(
+            "Error parsing JVMCI options: Could not find option jvmci.XXXXXXXXX%n" +
+            "Error: A fatal exception has occurred. Program will exit.%n");
+        String actualStdout = output.getStdout();
+        if (!actualStdout.equals(expectStdout)) {
+            throw new RuntimeException(String.format("Invalid STDOUT:%nExpect:%n%s%nActual:%n%s", expectStdout, actualStdout));
+        }
+        if (!output.getStderr().isEmpty()) {
+            throw new RuntimeException("STDERR was not empty: " + output.getStderr());
+        }
+        output.shouldHaveExitValue(1);
     }
 }