diff options
Diffstat (limited to 'tests/src/JIT/Regression/JitBlue/DevDiv_284785/DevDiv_284785.cs')
-rw-r--r-- | tests/src/JIT/Regression/JitBlue/DevDiv_284785/DevDiv_284785.cs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/src/JIT/Regression/JitBlue/DevDiv_284785/DevDiv_284785.cs b/tests/src/JIT/Regression/JitBlue/DevDiv_284785/DevDiv_284785.cs new file mode 100644 index 0000000000..944993f038 --- /dev/null +++ b/tests/src/JIT/Regression/JitBlue/DevDiv_284785/DevDiv_284785.cs @@ -0,0 +1,39 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +// This test exercises expression folding in the place of overflowing operations. The original failure was SBCG due to +// an incorrect application of the same: in the program below, the checked int -> ulong cast on line 24 was folded to a +// long -> ulong cast with an incorrect constant value that fit in a ulong, resulting in no overflow exception being +// thrown. + +using System; + +static class C +{ + static int Main() + { + int i = -4; + ulong l = 0; + + int rv = 0; + try + { + checked + { + l = (ulong)i; + } + } + catch (OverflowException) + { + rv = 100; + } + catch (Exception) + { + i = 0; + l = 0; + } + + return rv; + } +} |