8324833: Signed integer overflows in ABS

src/hotspot/share/jvmci/jvmciCompilerToVM.cpp

@@ -1060,7 +1060,7 @@ C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr))
   if (target_addr != 0x0) {
     jlong off_low = (jlong)target_addr - ((jlong)CodeCache::low_bound() + sizeof(int));
     jlong off_high = (jlong)target_addr - ((jlong)CodeCache::high_bound() + sizeof(int));
-    return MAX2(uabs(off_low), uabs(off_high));
+    return checked_cast<jlong>(MAX2(uabs(off_low), uabs(off_high)));
   }
   return -1;
 C2V_END

src/hotspot/share/opto/ifnode.cpp

@@ -1937,7 +1937,7 @@ Node* RangeCheckNode::Ideal(PhaseGVN *phase, bool can_reshape) {
     // the argument above still holds.
     //
     // Note that the same optimization with the same maximal accepted interval size can also be found in C1.
-    const jlong maximum_number_of_min_max_interval_indices = (jlong)max_jint;
+    const julong maximum_number_of_min_max_interval_indices = (julong)max_jint;
 
     // The top 3 range checks seen
     const int NRC = 3;