--- old/src/hotspot/share/runtime/flags/jvmFlagConstraintsCompiler.cpp	2018-11-21 06:38:43.092097672 -0800
+++ new/src/hotspot/share/runtime/flags/jvmFlagConstraintsCompiler.cpp	2018-11-21 06:38:42.640055601 -0800
@@ -145,47 +145,39 @@
 }
 
 JVMFlag::Error OnStackReplacePercentageConstraintFunc(intx value, bool verbose) {
-  int backward_branch_limit;
+  int64_t  max_percentage_limit = ((int64_t)INT_MAX>>InvocationCounter::count_shift)*100;
+  max_percentage_limit = CompileThreshold == 0  ? max_percentage_limit : max_percentage_limit/CompileThreshold;
+  
   if (ProfileInterpreter) {
-    if (OnStackReplacePercentage < InterpreterProfilePercentage) {
+    if (value < InterpreterProfilePercentage) {
       JVMFlag::printError(verbose,
                           "OnStackReplacePercentage (" INTX_FORMAT ") must be "
                           "larger than InterpreterProfilePercentage (" INTX_FORMAT ")\n",
-                          OnStackReplacePercentage, InterpreterProfilePercentage);
+                          value, InterpreterProfilePercentage);
       return JVMFlag::VIOLATES_CONSTRAINT;
     }
 
-    backward_branch_limit = ((CompileThreshold * (OnStackReplacePercentage - InterpreterProfilePercentage)) / 100)
-                            << InvocationCounter::count_shift;
-
-    if (backward_branch_limit < 0) {
+    max_percentage_limit += InterpreterProfilePercentage;
+    if (value > max_percentage_limit) {
       JVMFlag::printError(verbose,
-                          "CompileThreshold * (InterpreterProfilePercentage - OnStackReplacePercentage) / 100 = "
-                          INTX_FORMAT " "
-                          "must be between 0 and %d, try changing "
-                          "CompileThreshold, InterpreterProfilePercentage, and/or OnStackReplacePercentage\n",
-                          (CompileThreshold * (OnStackReplacePercentage - InterpreterProfilePercentage)) / 100,
-                          INT_MAX >> InvocationCounter::count_shift);
+                          "OnStackReplacePercentage (" INTX_FORMAT ") must be between 0 and " INT64_FORMAT "\n",
+                          value,
+                          max_percentage_limit);
       return JVMFlag::VIOLATES_CONSTRAINT;
     }
   } else {
-    if (OnStackReplacePercentage < 0 ) {
+    if (value < 0) {
       JVMFlag::printError(verbose,
                           "OnStackReplacePercentage (" INTX_FORMAT ") must be "
-                          "non-negative\n", OnStackReplacePercentage);
+                          "non-negative\n", value);
       return JVMFlag::VIOLATES_CONSTRAINT;
     }
 
-    backward_branch_limit = ((CompileThreshold * OnStackReplacePercentage) / 100)
-                            << InvocationCounter::count_shift;
-
-    if (backward_branch_limit < 0) {
+    if (value > max_percentage_limit) {
       JVMFlag::printError(verbose,
-                          "CompileThreshold * OnStackReplacePercentage / 100 = " INTX_FORMAT " "
-                          "must be between 0 and %d, try changing "
-                          "CompileThreshold and/or OnStackReplacePercentage\n",
-                          (CompileThreshold * OnStackReplacePercentage) / 100,
-                          INT_MAX >> InvocationCounter::count_shift);
+                          "OnStackReplacePercentage (" INTX_FORMAT ") must be between 0 and " INT64_FORMAT "\n",
+                          value,
+                          max_percentage_limit);
       return JVMFlag::VIOLATES_CONSTRAINT;
     }
   }
--- old/test/hotspot/jtreg/testlibrary_tests/whitebox/vm_flags/IntxTest.java	2018-11-21 06:38:43.983180605 -0800
+++ new/test/hotspot/jtreg/testlibrary_tests/whitebox/vm_flags/IntxTest.java	2018-11-21 06:38:43.523137789 -0800
@@ -38,13 +38,21 @@
 public class IntxTest {
     private static final String FLAG_NAME = "OnStackReplacePercentage";
     private static final String FLAG_DEBUG_NAME = "InlineFrequencyCount";
-    private static final Long[] TESTS = {0L, 100L, (long) Integer.MAX_VALUE};
+    private static final long COMPILE_THRESHOLD = VmFlagTest.WHITE_BOX.getIntxVMFlag("CompileThreshold");
+    private static final Long[] TESTS = {0L, 100L, (long)(Integer.MAX_VALUE>>3)*100L};
 
     public static void main(String[] args) throws Exception {
+        find_and_set_max_osrp();
         VmFlagTest.runTest(FLAG_NAME, TESTS,
             VmFlagTest.WHITE_BOX::setIntxVMFlag,
             VmFlagTest.WHITE_BOX::getIntxVMFlag);
         VmFlagTest.runTest(FLAG_DEBUG_NAME, VmFlagTest.WHITE_BOX::getIntxVMFlag);
     }
+
+    static void find_and_set_max_osrp() {
+        long max_percentage_limit = (long)(Integer.MAX_VALUE>>3)*100L;
+        max_percentage_limit = COMPILE_THRESHOLD == 0  ? max_percentage_limit : max_percentage_limit/COMPILE_THRESHOLD;
+        TESTS[2] = max_percentage_limit;
+    }
 }