[Issue 10964] New: [REG][2.063] Static array assign/blit exception slips through catch block.

d-bugmail at puremagic.com d-bugmail at puremagic.com
Wed Sep 4 14:00:11 PDT 2013


http://d.puremagic.com/issues/show_bug.cgi?id=10964

           Summary: [REG][2.063] Static array assign/blit exception slips
                    through catch block.
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: monarchdodra at gmail.com


--- Comment #0 from monarchdodra at gmail.com 2013-09-04 14:00:09 PDT ---
Regression in 2.062 => 2.063

Basically, when a you assign to a static array (and it postblits elements), if
an exception is thrown, it is not caught by "catch(Exception)". It *is* caught
by "catch(Throwable)" though, yet not by "catch("Error")".

//----
import std.stdio;

struct S
{
    this(this)
    {
        throw new Exception("BOOM!");
    }
}

void main()
{
    S    s;
    S[1] ss;

    writeln("s = s");
    try
    {
        s = s;
    }
    catch(Exception e)
        writeln("caught in Exception");
    catch(Error e)
        writeln("caught in Error");
    catch(Throwable e)
        writeln("caught in Throwable");

    writeln("ss = s");
    try
    {
        ss = s;
    }
    catch(Exception e)
        writeln("caught in Exception");
    catch(Error e)
        writeln("caught in Error");
    catch(Throwable e)
        writeln("caught in Throwable");

    writeln("ss = ss");
    try
    {
        ss = ss;
    }
    catch(Exception e)
        writeln("caught in Exception");
    catch(Error e)
        writeln("caught in Error");
    catch(Throwable e)
        writeln("caught in Throwable");
}
//----

2.062:
s = s
caught in Exception
ss = s
caught in Exception
ss = ss
caught in Exception

2.063:
s = s
caught in Exception
ss = s
caught in Throwable
ss = ss
caught in Throwable

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