Fix non-web integer literals in corelib_2/bigint_test

Change-Id: I9cb66de2db293a033073ced7e6b9e3d19a1f3fb4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/108204
Commit-Queue: Stephen Adams <[email protected]>
Reviewed-by: Leaf Petersen <[email protected]>

Author: rakudrama

tests/corelib_2/bigint_test.dart

@@ -771,11 +771,13 @@ testShiftAmount() {
   Expect.equals(BigInt.zero, BigInt.zero >> 1234567890);
   Expect.equals(BigInt.two.pow(999), BigInt.one << 999);
   Expect.equals(BigInt.one, BigInt.two.pow(999) >> 999);
-  Expect.equals(BigInt.zero, new BigInt.from(12) >> 0x7FFFFFFFFFFFFFFF);
-  Expect.equals(-BigInt.one, -new BigInt.from(12) >> 0x7FFFFFFFFFFFFFFF);
+  // 0x7FFFFFFFFFFFFFFF on VM, slightly rounded up on web platform.
+  const int maxInt64 = 0x7FFFFFFFFFFFF000 + 0xFFF;
+  Expect.equals(BigInt.zero, new BigInt.from(12) >> maxInt64);
+  Expect.equals(-BigInt.one, -new BigInt.from(12) >> maxInt64);
   bool exceptionCaught = false;
   try {
-    var a = BigInt.one << 0x7FFFFFFFFFFFFFFF;
+    var a = BigInt.one << maxInt64;
   } on OutOfMemoryError catch (e) {
     exceptionCaught = true;
   } catch (e) {

tests/corelib_2/corelib_2.status

@@ -16,7 +16,6 @@ num_sign_test: Crash, Pass # Issue 31768
 
 [ $compiler == dart2js ]
 bigint_from_test: RuntimeError # Issue 32589
-bigint_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 bit_twiddling_test/int64: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 compare_to2_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 core_runtime_types_test: RuntimeError # Issue 34147
@@ -297,7 +296,8 @@ regexp/stack-overflow_test: RuntimeError, OK # Smaller limit with irregex interp
 
 [ $compiler == dartdevc || $compiler == dartdevk ]
 bigint_from_test: RuntimeError # Issue 32589
-bigint_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
+bigint_test/03: SkipSlow # modPow is very slow
+bigint_test/15: SkipSlow # modPow is very slow
 bit_twiddling_test/int64: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 compare_to2_test: RuntimeError # Issue 30170
 compare_to2_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351