8261920: [AIX] jshell command throws java.io.IOError on non English locales

Reviewed-by: stuefe

Author: Ichiroh Takiguchi

src/jdk.internal.le/share/classes/jdk/internal/org/jline/utils/ExecHelper.java

@@ -14,6 +14,7 @@
 import java.io.InputStream;
 import java.io.InterruptedIOException;
 import java.io.OutputStream;
+import java.util.Map;
 import java.util.Objects;
 
 /**
@@ -29,6 +30,12 @@ public static String exec(boolean redirectInput, final String... cmd) throws IOE
         try {
             Log.trace("Running: ", cmd);
             ProcessBuilder pb = new ProcessBuilder(cmd);
+            if (OSUtils.IS_AIX) {
+                Map<String,String> env = pb.environment();
+                env.put("PATH", "/opt/freeware/bin:" + env.get("PATH"));
+                env.put("LANG", "C");
+                env.put("LC_ALL", "C");
+            }
             if (redirectInput) {
                 pb.redirectInput(ProcessBuilder.Redirect.INHERIT);
             }

src/jdk.internal.le/share/classes/jdk/internal/org/jline/utils/OSUtils.java

@@ -32,6 +32,7 @@ public class OSUtils {
             && System.getenv("ConEmuPID") != null;
 
     public static final boolean IS_OSX = System.getProperty("os.name").toLowerCase().contains("mac");
+    public static final boolean IS_AIX = System.getProperty("os.name").equals("AIX");
 
     public static String TTY_COMMAND;
     public static String STTY_COMMAND;