[opt] Add helpful alternatives for -analyze under new PM

llvm/tools/opt/opt.cpp

#endif
 
   // If `-passes=` is specified, use NPM.
   // If `-enable-new-pm` is specified and there are no codegen passes, use NPM.
   // e.g. `-enable-new-pm -sroa` will use NPM.
   // but `-enable-new-pm -codegenprepare` will still revert to legacy PM.
   if ((EnableNewPassManager && !shouldForceLegacyPM()) ||
       PassPipeline.getNumOccurrences() > 0) {
     if (AnalyzeOnly) {
-      errs() << "Cannot specify -analyze under new pass manager\n";
+      errs() << "Cannot specify -analyze under new pass manager, either "
+                "specify '-enable-new-pm=0', or use the corresponding new pass "
+                "manager pass, e.g. '-passes=print<scalar-evolution>'. For a "
+                "full list of passes, see the '--print-passes' flag.\n";
       return 1;
     }
     if (PassPipeline.getNumOccurrences() > 0 && PassList.size() > 0) {
       errs()
           << "Cannot specify passes via both -foo-pass and --passes=foo-pass\n";
       return 1;
     }
     SmallVector<StringRef, 4> Passes;