Merge branch 'master' of github.com:mono/mono
[mono.git] / mono / mini / exceptions.cs
index f28cdfca77da3e8a40f79447753da0d8751aa7cb..4f782c9be09c03e6a83260a2088124f0ef3b507c 100644 (file)
@@ -1,12 +1,13 @@
 using System;
 using System.Reflection;
+using System.Runtime.CompilerServices;
 
 /*
  * Regression tests for the mono JIT.
  *
  * Each test needs to be of the form:
  *
- * static int test_<result>_<name> ();
+ * public static int test_<result>_<name> ();
  *
  * where <result> is an integer (the value that needs to be returned by
  * the method to make it pass.
@@ -25,11 +26,11 @@ using System.Reflection;
 
 class Tests {
 
-       static int Main () {
+       public static int Main () {
                return TestDriver.RunTests (typeof (Tests));
        }
 
-       static int test_0_catch () {
+       public static int test_0_catch () {
                Exception x = new Exception ();
                
                try {
@@ -41,7 +42,7 @@ class Tests {
                return 1;
        }
 
-       static int test_0_finally_without_exc () {
+       public static int test_0_finally_without_exc () {
                int x;
                
                try {
@@ -55,7 +56,7 @@ class Tests {
                return x;
        }
 
-       static int test_0_finally () {
+       public static int test_0_finally () {
                int x = 1;
                
                try {
@@ -68,7 +69,7 @@ class Tests {
                return x;
        }
 
-       static int test_0_nested_finally () {
+       public static int test_0_nested_finally () {
                int a;
 
                try {
@@ -83,7 +84,7 @@ class Tests {
                return a;
        }               
 
-       static int test_0_byte_cast () {
+       public static int test_0_byte_cast () {
                int a;
                long l;
                ulong ul;
@@ -277,7 +278,7 @@ class Tests {
                return 0;
        }
        
-       static int test_0_sbyte_cast () {
+       public static int test_0_sbyte_cast () {
                int a;
                long l;
                sbyte b = 0;
@@ -563,10 +564,25 @@ class Tests {
                if (b != 127)
                        return -20;
 
+               try {
+                       ulong ul = 128;
+                       failed = true;
+                       checked {
+                               b = (sbyte)ul;
+                       }
+               }
+               catch (OverflowException) {
+                       failed = false;
+               }
+               if (failed)
+                       return 21;
+               if (b != 127)
+                       return -21;
+
                return 0;
        }
 
-       static int test_0_ushort_cast () {
+       public static int test_0_ushort_cast () {
                int a;
                long l;
                ulong ul;
@@ -732,7 +748,7 @@ class Tests {
                return 0;
        }
        
-       static int test_0_short_cast () {
+       public static int test_0_short_cast () {
                int a;
                long l;
                short b;
@@ -943,10 +959,22 @@ class Tests {
                if (failed)
                        return 17;
 
+               try {
+                       ulong ul = 32768;
+                       failed = true;
+                       checked {
+                               b = (short)ul;
+                       }
+               } catch (OverflowException) {
+                       failed = false;
+               }
+               if (failed)
+                       return 18;
+
                return 0;
        }
        
-       static int test_0_int_cast () {
+       public static int test_0_int_cast () {
                int a;
                long l;
                bool failed;
@@ -1064,6 +1092,32 @@ class Tests {
                if (failed)
                        return 9;
 
+               try {
+                       ulong ul = (long)(System.Int32.MaxValue) + 1;
+                       failed = true;
+                       checked {
+                               a = (int)ul;
+                       }
+               }
+               catch (OverflowException) {
+                       failed = false;
+               }
+               if (failed)
+                       return 10;
+
+               try {
+                       ulong ul = UInt64.MaxValue;
+                       failed = true;
+                       checked {
+                               a = (int)ul;
+                       }
+               }
+               catch (OverflowException) {
+                       failed = false;
+               }
+               if (failed)
+                       return 11;
+
                {
                        int i; 
                        float f = 1.1f;
@@ -1075,7 +1129,7 @@ class Tests {
                return 0;
        }
 
-       static int test_0_uint_cast () {
+       public static int test_0_uint_cast () {
                uint a;
                long l;
                bool failed;
@@ -1200,7 +1254,13 @@ class Tests {
                return 0;
        }
        
-       static int test_0_long_cast () {
+       public static int test_0_long_cast () {
+
+               /*
+                * These tests depend on properties of x86 fp arithmetic so they won't work
+                * on other platforms.
+                */
+               /*
                long a;
                bool failed;
 
@@ -1251,6 +1311,7 @@ class Tests {
                }
                if (failed)
                        return 4;
+               */
 
                {
                        long i; 
@@ -1263,7 +1324,7 @@ class Tests {
                return 0;
        }
 
-       static int test_0_ulong_cast () {
+       public static int test_0_ulong_cast () {
                ulong a;
                bool failed;
 
@@ -1359,7 +1420,7 @@ class Tests {
                return 0;
        }
 
-       static int test_0_simple_double_casts () {
+       public static int test_0_simple_double_casts () {
 
                double d = 0xffffffff;
 
@@ -1394,7 +1455,7 @@ class Tests {
                return 0;
        }
        
-       static int test_0_div_zero () {
+       public static int test_0_div_zero () {
                int d = 1;
                int q = 0;
                int val;
@@ -1447,11 +1508,11 @@ class Tests {
                return 0;
        }
 
-       static int return_55 () {
+       public static int return_55 () {
                return 55;
        }
 
-       static int test_0_cfold_div_zero () {
+       public static int test_0_cfold_div_zero () {
                // Test that constant folding doesn't cause division by zero exceptions
                if (return_55 () != return_55 ()) {
                        int d = 1;
@@ -1472,7 +1533,7 @@ class Tests {
                return 0;
        }
 
-       static int test_0_udiv_zero () {
+       public static int test_0_udiv_zero () {
                uint d = 1;
                uint q = 0;
                uint val;
@@ -1499,7 +1560,7 @@ class Tests {
                return 0;
        }
 
-       static int test_0_long_div_zero () {
+       public static int test_0_long_div_zero () {
                long d = 1;
                long q = 0;
                long val;
@@ -1552,7 +1613,7 @@ class Tests {
                return 0;
        }
 
-       static int test_0_ulong_div_zero () {
+       public static int test_0_ulong_div_zero () {
                ulong d = 1;
                ulong q = 0;
                ulong val;
@@ -1579,7 +1640,7 @@ class Tests {
                return 0;
        }
 
-       static int test_0_float_div_zero () {
+       public static int test_0_float_div_zero () {
                double d = 1;
                double q = 0;
                double val;
@@ -1606,7 +1667,7 @@ class Tests {
                return 0;
        }
 
-       static int test_0_invalid_unbox () {
+       public static int test_0_invalid_unbox () {
 
                int i = 123;
                object o = "Some string";
@@ -1624,7 +1685,7 @@ class Tests {
        }
 
        // Test that double[] can't be cast to double (bug #46027)
-       static int test_0_invalid_unbox_arrays () {
+       public static int test_0_invalid_unbox_arrays () {
                double[] d1 = { 1.0 };
                double[][] d2 = { d1 };
                Array a = d2;
@@ -1643,7 +1704,7 @@ class Tests {
         * jumps out of multiple exception clauses: we used to execute just 
         * one enclosing finally block.
         */
-       static int finally_level;
+       public static int finally_level;
        static void do_something () {
                int a = 0;
                try {
@@ -1657,7 +1718,7 @@ class Tests {
                }
        }
 
-       static int test_2_multiple_finally_clauses () {
+       public static int test_2_multiple_finally_clauses () {
                finally_level = 0;
                do_something ();
                if (finally_level == 1)
@@ -1665,7 +1726,7 @@ class Tests {
                return 0;
        }
 
-       static int test_3_checked_cast_un () {
+       public static int test_3_checked_cast_un () {
                 ulong i = 0x8000000034000000;
                 long j;
 
@@ -1680,7 +1741,7 @@ class Tests {
                return 3;
        }
        
-       static int test_4_checked_cast () {
+       public static int test_4_checked_cast () {
                 long i;
                 ulong j;
 
@@ -1707,7 +1768,7 @@ class Tests {
                7, 0, 7, 1, 7, 2, 7, 3, 7, 4, 7, 5, 7, 6, 7, 7, 7, 8,
        };
 
-       static int test_0_multi_dim_array_access () {
+       public static int test_0_multi_dim_array_access () {
                int [,] a = System.Array.CreateInstance (typeof (int),
                        new int [] {3,6}, new int [] {2,2 }) as int[,];
                 int x, y;
@@ -1743,7 +1804,7 @@ class Tests {
                o = "buddy";
        }
 
-       static int test_2_array_mismatch () {
+       public static int test_2_array_mismatch () {
                string[] a = { "hello", "world" };
                object[] b = a;
                bool passed = false;
@@ -1761,245 +1822,330 @@ class Tests {
                return 2;
        }
 
-       static int test_0_ovf () {
-               int ocount = 0;
+       public static int test_0_ovf1 () {
+               int exception = 0;
                
                checked {
-
-                       ocount = 0;
                        try {
                                ulong a =  UInt64.MaxValue - 1;
                                ulong t = a++;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 0)
-                               return 1;
+               }
+               return exception;
+       }
 
-                       ocount = 0;
+       public static int test_1_ovf2 () {
+               int exception = 0;
+
+               checked {
                        try {
                                ulong a =  UInt64.MaxValue;
                                ulong t = a++;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 2;
+               }
+               return exception;
+       }
+
+       public static int test_0_ovf3 () {
+               int exception = 0;
 
-                       ocount = 0;
+               long a = Int64.MaxValue - 1;
+               checked {
                        try {
-                               long a = Int64.MaxValue - 1;
                                long t = a++;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 0)
-                               return 3;
+               }
+               return exception;
+       }
+
+       public static int test_1_ovf4 () {
+               int exception = 0;
 
+               long a = Int64.MaxValue;
+               checked {
                        try {
-                               long a = Int64.MaxValue;
                                long t = a++;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 4;
+               }
+               return exception;
+       }
+
+       public static int test_0_ovf5 () {
+               int exception = 0;
 
-                       ocount = 0;
+               ulong a = UInt64.MaxValue - 1;
+               checked {
                        try {
-                               ulong a = UInt64.MaxValue - 1;
                                ulong t = a++;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 0)
-                               return 5;
+               }
+               return exception;
+       }
 
+       public static int test_1_ovf6 () {
+               int exception = 0;
+
+               ulong a = UInt64.MaxValue;
+               checked {
                        try {
-                               ulong a = UInt64.MaxValue;
                                ulong t = a++;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 6;
+               }
+               return exception;
+       }
 
-                       ocount = 0;
+       public static int test_0_ovf7 () {
+               int exception = 0;
+
+               long a = Int64.MinValue + 1;
+               checked {
                        try {
-                               long a = Int64.MinValue + 1;
                                long t = a--;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 0)
-                               return 7;
+               }
+               return 0;
+       }
 
-                       ocount = 0;
+       public static int test_1_ovf8 () {
+               int exception = 0;
+
+               long a = Int64.MinValue;
+               checked {
                        try {
-                               long a = Int64.MinValue;
                                long t = a--;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 8;
+               }
+               return exception;
+       }
+
+       public static int test_0_ovf9 () {
+               int exception = 0;
 
-                       ocount = 0;
+               ulong a = UInt64.MinValue + 1;
+               checked {
                        try {
-                               ulong a = UInt64.MinValue + 1;
                                ulong t = a--;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 0)
-                               return 9;
+               }
+               return exception;
+       }
 
-                       ocount = 0;
+       public static int test_1_ovf10 () {
+               int exception = 0;
+
+               ulong a = UInt64.MinValue;
+               checked {
                        try {
-                               ulong a = UInt64.MinValue;
                                ulong t = a--;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 10;
+               }
+               return exception;
+       }
 
-                       ocount = 0;
+       public static int test_0_ovf11 () {
+               int exception = 0;
+
+               int a = Int32.MinValue + 1;
+               checked {
                        try {
-                               int a = Int32.MinValue + 1;
                                int t = a--;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 0)
-                               return 11;
+               }
+               return exception;
+       }
+
+       public static int test_1_ovf12 () {
+               int exception = 0;
 
-                       ocount = 0;
+               int a = Int32.MinValue;
+               checked {
                        try {
-                               int a = Int32.MinValue;
                                int t = a--;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 12;
+               }
+               return exception;
+       }
+
+       public static int test_0_ovf13 () {
+               int exception = 0;
 
-                       ocount = 0;
+               uint a = 1;
+               checked {
                        try {
-                               uint a = 1;
                                uint t = a--;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 0)
-                               return 13;
+               }
+               return exception;
+       }
+
+       public static int test_1_ovf14 () {
+               int exception = 0;
 
-                       ocount = 0;
+               uint a = 0;
+               checked {
                        try {
-                               uint a = 0;
                                uint t = a--;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 14;
+               }
+               return exception;
+       }
 
-                       ocount = 0;
+       public static int test_0_ovf15 () {
+               int exception = 0;
+
+               sbyte a = 126;
+               checked {
                        try {
-                               sbyte a = 126;
                                sbyte t = a++;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 0)
-                               return 15;
+               }
+               return exception;
+       }
 
-                       ocount = 0;
+       public static int test_1_ovf16 () {
+               int exception = 0;
+
+               sbyte a = 127;
+               checked {
                        try {
-                               sbyte a = 127;
                                sbyte t = a++;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 16;
+               }
+               return exception;
+       }
+
+       public static int test_0_ovf17 () {
+               int exception = 0;
 
-                       ocount = 0;
+               checked {
                        try {
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 0)
-                               return 17;
+               }
+               return exception;
+       }
+
+       public static int test_0_ovf18 () {
+               int exception = 0;
 
-                       ocount = 0;
+               int a = 1 << 29;
+               checked {
                        try {
-                               int a = 1 << 29;
                                int t = a*2;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 0)
-                               return 18;
+               }
+               return exception;
+       }
 
-                       ocount = 0;
+       public static int test_1_ovf19 () {
+               int exception = 0;
+
+               int a = 1 << 30;
+               checked {
                        try {
-                               int a = 1 << 30;
                                int t = a*2;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 19;
+               }
+               return exception;
+       }
 
-                       ocount = 0;
+       public static int test_0_ovf20 () {
+               int exception = 0;
+
+               checked {
                        try {
                                ulong a = 0xffffffffff;
                                ulong t = a*0x0ffffff;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 0)
-                               return 20;
+               }
+               return exception;
+       }
+
+       public static int test_1_ovf21 () {
+               int exception = 0;
 
-                       ocount = 0;
+               ulong a = 0xffffffffff;
+               checked {
                        try {
-                               ulong a = 0xffffffffff;
                                ulong t = a*0x0fffffff;
                        } catch {
-                               ocount++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 21;
+               }
+               return exception;
+       }
 
-                       ocount = 0;
+       public static int test_1_ovf22 () {
+               int exception = 0;
+
+               long a = Int64.MinValue;
+               long b = 10;
+               checked {
                        try {
-                               long a = Int64.MinValue;
-                               long b = 10;
                                long v = a * b;
                        } catch {
-                               ocount ++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 22;
+               }
+               return exception;
+       }
+
+       public static int test_1_ovf23 () {
+               int exception = 0;
 
-                       ocount = 0;
+               long a = 10;
+               long b = Int64.MinValue;
+               checked {
                        try {
-                               long a = 10;
-                               long b = Int64.MinValue;
                                long v = a * b;
                        } catch {
-                               ocount ++;
+                               exception = 1;
                        }
-                       if (ocount != 1)
-                               return 23;
                }
-               
-               return 0;
+               return exception;
        }
 
        class Broken {
-               static int i;
+               public static int i;
 
                static Broken () {
                        throw new Exception ("Ugh!");
@@ -2010,7 +2156,7 @@ class Tests {
                }
        }
 
-       static int test_0_exception_in_cctor () {
+       public static int test_0_exception_in_cctor () {
                try {
                        Broken.DoSomething ();
                }
@@ -2020,7 +2166,7 @@ class Tests {
                return 0;
        }
 
-       static int test_5_regalloc () {
+       public static int test_5_regalloc () {
                int i = 0;
 
                try {
@@ -2062,6 +2208,30 @@ class Tests {
                return i;
        }
 
+       public static void rethrow () {
+               try {
+                       throw new ApplicationException();
+               } catch (ApplicationException) {
+                       try {
+                               throw new OverflowException();
+                       } catch (Exception) {
+                               throw;
+                       }
+               }
+       }
+
+       // Test that a rethrow rethrows the correct exception
+       public static int test_0_rethrow_nested () {
+               try {
+                       rethrow ();
+               } catch (OverflowException) {
+                       return 0;
+               } catch (Exception) {
+                       return 1;
+               }
+               return 2;
+       }
+
        /* MarshalByRefObject prevents the methods from being inlined */
        class ThrowClass : MarshalByRefObject {
                public static void rethrow1 () {
@@ -2073,7 +2243,7 @@ class Tests {
                }
        }
 
-       static int test_0_rethrow_stacktrace () {
+       public static int test_0_rethrow_stacktrace () {
                // Check that rethrowing an exception preserves the original stack trace
                try {
                        try {
@@ -2103,7 +2273,7 @@ class Tests {
        interface IFace {}
        class Face : IFace {}
                
-       static int test_1_array_mismatch_2 () {
+       public static int test_1_array_mismatch_2 () {
                try {
                        object [] o = new Face [1];
                        o [0] = 1;
@@ -2113,7 +2283,7 @@ class Tests {
                }
        }
        
-       static int test_1_array_mismatch_3 () {
+       public static int test_1_array_mismatch_3 () {
                try {
                        object [] o = new IFace [1];
                        o [0] = 1;
@@ -2123,7 +2293,7 @@ class Tests {
                }
        }
        
-       static int test_1_array_mismatch_4 () {
+       public static int test_1_array_mismatch_4 () {
                try {
                        object [][] o = new Face [5] [];
                        o [0] = new object [5];
@@ -2134,7 +2304,7 @@ class Tests {
                }
        }
 
-       static int test_0_array_size () {
+       public static int test_0_array_size () {
                bool failed;
 
                try {
@@ -2172,7 +2342,7 @@ class Tests {
        }
 
        /* Test that arguments are correctly popped off the stack during unwinding */
-       static int test_0_stack_unwind () {
+       public static int test_0_stack_unwind () {
                addr = new IntPtr [1000];
                S s = new S ();
                for (int j = 0; j < 1000; j++) {
@@ -2183,6 +2353,272 @@ class Tests {
                        }
                }
                return (addr [0].ToInt64 () - addr [100].ToInt64 () < 100) ? 0 : 1;
+       }
+
+       public static int test_0_regress_73242 () {
+               int [] arr = new int [10];
+               for (int i = 0; i < 10; ++i)
+                       arr [i] = 0;
+               try {
+                       throw new Exception ();
+               }
+               catch {
+               }
+               return 0;
+    }
+
+       public static int test_0_nullref () {
+               try {
+                       Array foo = null;
+                       foo.Clone();
+               } catch (NullReferenceException e) {
+                       return 0;
+               }
+               return 1;
+       }
+
+       public int amethod () {
+               return 1;
+       }
+
+       public static int test_0_nonvirt_nullref_at_clause_start () {
+               Tests t = null;
+               try {
+                       t.amethod ();
+               } catch (NullReferenceException) {
+                       return 0;
+               }
+
+               return 1;
+       }
+
+       public static int throw_only () {
+               throw new Exception ();
+       }
+
+       [MethodImpl(MethodImplOptions.NoInlining)] 
+       public static int throw_only2 () {
+               return throw_only ();
+       }
+
+       public static int test_0_inline_throw_only () {
+               try {
+                       return throw_only2 ();
+               }
+               catch (Exception ex) {
+                       return 0;
+               }
+       }
+
+       public static string GetText (string s) {
+               return s;
+       }
+
+       public static int throw_only_gettext () {
+               throw new Exception (GetText ("FOO"));
+       }
+
+       public static int test_0_inline_throw_only_gettext () {
+               object o = null;
+               try {
+                       o = throw_only_gettext ();
+               }
+               catch (Exception ex) {
+                       return 0;
+               }
+
+               return o != null ? 0 : 1;
+       }
+
+       // bug #78633
+       public static int test_0_throw_to_branch_opt_outer_clause () {
+               int i = 0;
+
+               try {
+                       try {
+                               string [] files = new string[1];
+
+                               string s = files[2];
+                       } finally {
+                               i ++;
+                       }
+               } catch {
+               }
+
+               return (i == 1) ? 0 : 1;
        }               
+
+       // bug #485721
+       public static int test_0_try_inside_finally_cmov_opt () {
+               bool Reconect = false;
+
+               object o = new object ();
+
+               try {
+               }
+               catch (Exception ExCon) {
+                       if (o != null)
+                               Reconect = true;
+
+                       try {
+                       }
+                       catch (Exception Last) {
+                       }
+               }
+               finally {
+                       if (Reconect == true) {
+                               try {
+                               }
+                               catch (Exception ex) {
+                               }
+                       }
+               }
+
+               return 0;
+       }
+
+       public static int test_0_inline_throw () {
+               try {
+                       inline_throw1 (5);
+                       return 1;
+               } catch {
+                       return 0;
+               }
+       }
+
+       // for llvm, the end bblock is unreachable
+       public static int inline_throw1 (int i) {
+               if (i == 0)
+                       throw new Exception ();
+               else
+                       return inline_throw2 (i);
+       }
+
+       public static int inline_throw2 (int i) {
+               throw new Exception ();
+       }
+
+       // bug #539550
+       public static int test_0_lmf_filter () {
+               try {
+                       // The invoke calls a runtime-invoke wrapper which has a filter clause
+                       typeof (Tests).GetMethod ("lmf_filter").Invoke (null, new object [] { });
+               } catch (TargetInvocationException) {
+               }
+               return 0;
+       }
+
+    public static void lmf_filter () {
+        try {
+            Connect ();
+        }
+        catch {
+            throw new NotImplementedException ();
+        }
+    }
+
+    public static void Connect () {
+        Stop ();
+        throw new Exception();
+    }
+
+    public static void Stop () {
+        try {
+            lock (null) {}
+        }
+        catch {
+        }
+    }
+
+       private static void do_raise () {
+               throw new System.Exception ();
+       }
+
+       private static int int_func (int i) {
+               return i;
+       }
+
+       // #559876
+       public static int test_8_local_deadce_causes () {
+      int myb = 4;
+  
+      try {
+        myb = int_func (8);
+        do_raise();
+        myb = int_func (2);
+      } catch (System.Exception) {
+                 return myb;
+         }
+         return 0;
+       }
+
+       public static int test_0_except_opt_two_clauses () {
+               int size;
+               size = -1;
+               uint ui = (uint)size;
+               try {
+                       checked {
+                               uint v = ui * (uint)4;
+                       }
+               } catch (OverflowException e) {
+                       return 0;
+               } catch (Exception) {
+                       return 1;
+               }
+
+               return 2;
+       }
+
+    class Child
+    {
+        public virtual long Method()
+        {
+            throw new Exception();
+        }
+    }
+
+       /* #612206 */
+       public static int test_100_long_vars_in_clauses_initlocals_opt () {
+               Child c = new Child();
+               long value = 100; 
+               try {
+                       value = c.Method();
+               }
+               catch {}
+               return (int)value;
+       }
+
+       class A {
+               public object AnObj;
+       }
+
+       public static void DoSomething (ref object o) {
+       }
+
+       public static int test_0_ldflda_null () {
+               A a = null;
+
+               try {
+                       DoSomething (ref a.AnObj);
+               } catch (NullReferenceException) {
+                       return 0;
+               }
+
+               return 1;
+       }
+
+       unsafe struct Foo
+       {
+               public int i;
+
+               public static Foo* pFoo;
+       }
+
+       /* MS.NET doesn't seem to throw in this case */
+       public unsafe static int test_0_ldflda_null_pointer () {
+               int* pi = &Foo.pFoo->i;
+
+               return 0;
+       }
 }