Bug 17145 - Any value type can be used to index unsafe array
Summary: Any value type can be used to index unsafe array
Status: RESOLVED FIXED
Alias: None
Product: Compilers
Classification: Mono
Component: C# ()
Version: unspecified
Hardware: PC Mac OS
: --- normal
Target Milestone: ---
Assignee: Marek Safar
URL:
Depends on:
Blocks:
 
Reported: 2014-01-09 09:58 UTC by Rolf Bjarne Kvinge [MSFT]
Modified: 2014-01-10 09:57 UTC (History)
1 user (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Status:
RESOLVED FIXED

Description Rolf Bjarne Kvinge [MSFT] 2014-01-09 09:58:48 UTC
Sample code:

    int* arr = null;
    Console.WriteLine (arr [DBNull.Value]);

CSC says:

    error CS0029: Cannot implicitly convert type 'System.DBNull' to 'int'

Note that even if the value type is implicitly convertible to int, the generated IL is incorrect. Sample code: https://gist.github.com/rolfbjarne/29d29677b970d338ce96
Comment 1 Marek Safar 2014-01-10 09:57:42 UTC
Fixed in master