Use return instead of report_fatal_error for help/version printing

For help and version printing in CommandLine.cpp, simply return after
printing rather than throwing a fatal error exception, since these are
not error conditions.

Co-authored-by: damyanp <[email protected]>

Author: Copilot

lib/Support/CommandLine.cpp

@@ -1547,7 +1547,8 @@ class HelpPrinter {
     GlobalParser->MoreHelp.clear();
 
     // Halt the program since help information was printed
-    report_fatal_error("Help information was printed"); // HLSL Change - don't exit() in shared library
+    // HLSL Change - don't exit() in shared library; just return after printing
+    return;
   }
 };
 
@@ -1798,7 +1799,7 @@ class VersionPrinter {
 
     if (OverrideVersionPrinter != nullptr) {
       (*OverrideVersionPrinter)();
-      report_fatal_error("Version information was printed"); // HLSL Change - don't exit() in shared library
+      return; // HLSL Change - don't exit() in shared library
     }
     print();
 
@@ -1812,7 +1813,7 @@ class VersionPrinter {
         (*I)();
     }
 
-    report_fatal_error("Version information was printed"); // HLSL Change - don't exit() in shared library
+    // HLSL Change - don't exit() in shared library
   }
 };
 } // End anonymous namespace