Add "ppc64le" to ArchUtils.

- See https://bugs.gentoo.org/972590
  Bug 972590 - dev-java/commons-lang-3.20.0:
java.lang.NullPointerException: Cannot invoke
"org.apache.commons.lang3.arch.Processor.toString()" because "<local1>"
is null
- Like #1624 but with tests

Author: garydgregory

src/main/java/org/apache/commons/lang3/ArchUtils.java

@@ -117,7 +117,7 @@ private static void init_PPC_32Bit() {
     }
 
     private static void init_PPC_64Bit() {
-        addProcessors(new Processor(Processor.Arch.BIT_64, Processor.Type.PPC), "ppc64", "power64", "powerpc64", "power_pc64", "power_rs64");
+        addProcessors(new Processor(Processor.Arch.BIT_64, Processor.Type.PPC), "ppc64", "ppc64le", "power64", "powerpc64", "power_pc64", "power_rs64");
     }
 
     private static void init_RISCV_32Bit() {

src/test/java/org/apache/commons/lang3/ArchUtilsTest.java

@@ -37,6 +37,7 @@ class ArchUtilsTest extends AbstractLangTest {
     private static final String IA64_32 = "ia64_32";
     private static final String PPC = "ppc";
     private static final String PPC64 = "ppc64";
+    private static final String PPC64_LE = "ppc64le";
     private static final String X86 = "x86";
     private static final String X86_64 = "x86_64";
     private static final String AARCH_64 = "aarch64";
@@ -99,6 +100,10 @@ void testArch() {
         processor = ArchUtils.getProcessor(PPC64);
         assertEqualsTypeNotNull(Processor.Type.PPC, processor);
         assertTrue(processor.isPPC());
+        // PPC64_LE
+        processor = ArchUtils.getProcessor(PPC64_LE);
+        assertEqualsTypeNotNull(Processor.Type.PPC, processor);
+        assertTrue(processor.isPPC());
         // AARCH_64
         processor = ArchUtils.getProcessor(AARCH_64);
         assertEqualsTypeNotNull(Processor.Type.AARCH_64, processor);
@@ -157,6 +162,10 @@ void testIs32BitJVM() {
         processor = ArchUtils.getProcessor(PPC64);
         assertNotEqualsArchNotNull(Processor.Arch.BIT_32, processor);
         assertFalse(processor.is32Bit());
+        // PPC64_LE
+        processor = ArchUtils.getProcessor(PPC64_LE);
+        assertNotEqualsArchNotNull(Processor.Arch.BIT_32, processor);
+        assertFalse(processor.is32Bit());
         // IA64
         processor = ArchUtils.getProcessor(IA64);
         assertNotEqualsArchNotNull(Processor.Arch.BIT_32, processor);
@@ -177,6 +186,10 @@ void testIs64BitJVM() {
         processor = ArchUtils.getProcessor(PPC64);
         assertEqualsArchNotNull(Processor.Arch.BIT_64, processor);
         assertTrue(processor.is64Bit());
+        // PPC64_LE
+        processor = ArchUtils.getProcessor(PPC64_LE);
+        assertEqualsArchNotNull(Processor.Arch.BIT_64, processor);
+        assertTrue(processor.is64Bit());
         // IA64
         processor = ArchUtils.getProcessor(IA64);
         assertEqualsArchNotNull(Processor.Arch.BIT_64, processor);